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Other Elf creatures get +1/+1 and have forestwalk. (They can't be blocked as long as defending player controls a Forest.)

Enchant creature

Whenever enchanted creature deals damage to a creature, gain control of the other creature for as long as this Aura remains on the battlefield.

At the beginning of each opponent's upkeep, this artifact deals X damage to that player, where X is the number of cards in their hand minus 4.

{2 generic}2{blue}U{blue}U, {tap}↷: Counter target spell.

All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay {1 generic}1."

Flip a coin. If you win the flip, you gain 1 life and target opponent loses 1 life, and you decide whether to flip again. If you lose the flip, you lose 1 life and that opponent gains 1 life, and that player decides whether to flip again. Double the life stakes with each flip.

{3 generic}3, {tap}↷: Search your library for a Goblin permanent card, put it onto the battlefield, then shuffle.

Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

Regenerate target creature. You gain control of that creature if it regenerates this way.

You may exile a blue card from your hand rather than pay this spell's mana cost.

Change the target of target spell with a single target.

Cumulative upkeep—Exile the top card of your library. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When a player doesn't pay this enchantment's cumulative upkeep, that player exiles all cards from their library.

Exile the top card of your library: Prevent the next 1 damage that would be dealt to you this turn.

Minion creatures get +1/+1.

{black}B{black}B{black}B, Exile Balthor: Each player returns all black and all red creature cards from their graveyard to the battlefield.

{tap}↷, Pay 1 life, Sacrifice this land: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

Domain — Creatures can't attack you unless their controller pays {X}X for each creature they control that's attacking you, where X is the number of basic land types among lands you control.

Whenever a creature enters, destroy all other creatures that share a color with it. They can't be regenerated.

As an additional cost to cast this spell, sacrifice a creature.

Search your library for a creature card, reveal it, put it into your hand, then shuffle.

As this enchantment enters, choose a land type.

Each land of the chosen type has phasing. (It phases in or out before its controller untaps during each of their untap steps. While it's phased out, it's treated as though it doesn't exist.)

Each player chooses a card in their hand. Then each player reveals their chosen card. The owner of each creature card revealed this way with the lowest mana value puts it onto the battlefield.

As long as this artifact is untapped, players can't untap more than one land during their untap steps.

When Phage enters, if you didn't cast it from your hand, you lose the game.

Whenever Phage deals combat damage to a creature, destroy that creature. It can't be regenerated.

Whenever Phage deals combat damage to a player, that player loses the game.

At the beginning of each player's upkeep, return to its owner's hand each creature that player controls with power greater than the number of cards in their hand.

Whenever a creature deals damage to you, destroy it.

Whenever a creature is dealt damage, this enchantment deals that much damage to that creature's controller.

{1 generic}1: The next time you would draw a card this turn, create a 2/2 green Bear creature token instead.

Whenever this land becomes tapped, it deals 1 damage to you.

{tap}↷: Add one mana of any color.

Prevent all damage that would be dealt to creatures.

If damage would be dealt to you, exile that many cards from your graveyard instead. If you can't, you lose the game.

If you would gain life, draw that many cards instead.

When this enchantment leaves the battlefield, you lose the game.

When an opponent casts an instant spell, if this permanent is an enchantment, it becomes a 4/4 Ape creature.

Search your library for a creature card, reveal that card, put it into your hand, then shuffle.

At the beginning of the end step, if this card is in your graveyard with a creature card directly above it, you may return this card to your hand.

{1 generic}1, Sacrifice a creature: This creature deals 1 damage to any target.

If a player would draw a card, instead they draw a card and reveal it. If it's a creature card, that player discards it unless they pay 3 life.

Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.)

Teferi's Isle enters tapped.

{tap}↷: Add {blue}U{blue}U.

This artifact enters tapped.

{1 generic}1, {tap}↷, Sacrifice this artifact: Target opponent puts the cards from their hand on top of their library. Search that player's library for that many cards. That player puts those cards into their hand, then shuffles.

At the beginning of your upkeep, sacrifice this creature unless you pay {1 generic}1{white}W.

Creatures can't attack.

Exile a card from your hand: Add {black}B{black}B or {green}G{green}G.

Untap all creatures and gain control of them until end of turn. They gain haste until end of turn.

If this land would enter, sacrifice a Plains instead. If you do, put this land onto the battlefield. If you don't, put it into its owner's graveyard.

{tap}↷: Add {white}W.

{1 generic}1{white}W, {tap}↷: Create a 1/1 white Soldier creature token.

Whenever a creature enters, destroy it.

{0 generic}0: Destroy this enchantment. You skip your next turn. Any player may activate this ability.

All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay 1 life."

Exile all creature cards from all graveyards. You gain 1 life for each card exiled this way.

Counter target spell or ability an opponent controls that targets a land you control. If a permanent's ability is countered this way, destroy that permanent.

Draw two cards.

Counter target activated or triggered ability. (Mana abilities can't be targeted.)

When this creature enters, each opponent may put any number of artifact, creature, enchantment, and/or land cards from their hand onto the battlefield.

{green}G: Phelddagrif gains trample until end of turn. Target opponent creates a 1/1 green Hippo creature token.

{white}W: Phelddagrif gains flying until end of turn. Target opponent gains 2 life.

{blue}U: Return Phelddagrif to its owner's hand. Target opponent may draw a card.

Until end of turn, whenever a player gains life, that player loses 2 life for each 1 life they gained.

Whenever an enchantment is put into a graveyard from the battlefield, draw a card.

As an additional cost to cast this spell, sacrifice a creature.

Gain control of target nonartifact, nonblack creature.

Whenever a permanent other than this enchantment is put into a graveyard from the battlefield, this enchantment deals 1 damage to each creature and each player.

When no creatures are on the battlefield, sacrifice this enchantment.

{red}R: You may put a creature card from your hand onto the battlefield. That creature gains haste. Sacrifice the creature at the beginning of the next end step.

Tap an untapped Dwarf you control: Target creature gets +2/+0 until end of turn.

At the beginning of your upkeep, if you control twenty or more creatures, you win the game.

Players skip their untap steps.

At the beginning of your upkeep, sacrifice this enchantment unless you pay {blue}U.

No more than one creature can attack each combat.

No more than one creature can block each combat.

{1 generic}1{red}R{red}R, {tap}↷: Search your library for a Dragon permanent card, put that card onto the battlefield, then shuffle. That Dragon gains haste until end of turn. Exile it at the beginning of the next end step.

Each player sacrifices X lands of their choice.

Creatures with flying can block only creatures with flying.

Creatures without flying have reach. (They can block creatures with flying.)

{green}G, {tap}↷: Reveal cards from the top of your library until you reveal a basic land card. Put that card into your hand and all other cards revealed this way into your graveyard.

{3 generic}3, {tap}↷: Search your library for an Elf permanent card, put it onto the battlefield, then shuffle.

{green}G, {tap}↷, Discard a card: Prevent all combat damage that would be dealt this turn.

Reveal a card in your hand, then put that card onto the battlefield if it has the same name as a permanent.