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Buyback—Discard two cards. (You may discard two cards in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)

Counter target spell.

Enchant creature

Sacrifice a Forest: Regenerate enchanted creature.

When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

Flying

When this creature enters, you lose 2 life.

Target player discards three cards.

{red}R: Target creature can't be regenerated this turn.

Haste

{red}R: This creature gets +1/+0 until end of turn.

Search your library for up to two Forest cards, reveal those cards, put them into your hand, then shuffle.

{tap}↷: Add {green}G for each creature you control.

Enchant creature

Enchanted creature gets +3/+3 and has trample.

{green}G: Regenerate enchanted creature.

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.

Flying

When this creature enters, exchange control of this creature and up to one target creature an opponent controls. If you don't or can't make an exchange, sacrifice this creature. This ability still resolves if its target becomes illegal.

{blue}U, {tap}↷: This creature loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay {blue}U to end this effect.

Enchanted creature has flying.

Creatures you control get +1/+1.

Whenever this creature blocks or becomes blocked, target opponent gains control of it. (This removes this creature from combat.)

Whenever this creature deals damage to a player, you may put a Goblin permanent card from your hand onto the battlefield.

When this creature enters, you may search your library for a Goblin card, reveal that card, put it into your hand, then shuffle.

Create X 1/1 red Goblin creature tokens.

Echo {red}R (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

This creature can't block.

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Haste

Echo {1 generic}1{red}R (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

At the beginning of your draw step, draw an additional card.

At the beginning of your end step, discard your hand.

Whenever a creature you control dies, each other player sacrifices a creature of their choice.

When this creature enters, untap up to seven lands.

Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.

At the beginning of each player's upkeep, if that player controls more lands than each other player, the player creates a 1/1 green Saproling creature token.

Whenever this creature is dealt damage, each opponent gains that much life.

Protection from blue

This creature can't attack unless defending player controls an Island.

As an additional cost to cast this spell, pay X life.

Target creature gets +X/+0 until end of turn.

Flying

Shroud (This creature can't be the target of spells or abilities.)

Attacking creatures gain first strike until end of turn.

Activated abilities of creatures cost {1 generic}1 less to activate. This effect can't reduce the mana in that cost to less than one mana.

Whenever a creature blocks, this enchantment deals 1 damage to that creature's controller.

Heat Ray deals X damage to target creature.

Flying, vigilance

Echo {2 generic}2{white}W{white}W (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Enchant creature

Enchanted creature has "{tap}↷: This creature deals 1 damage to any target."

{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.

When a player casts a spell, sacrifice this enchantment and counter that spell.

Return all green permanents to their owners' hands.

All Slivers have "Pay 2 life: Return this permanent to its owner's hand."

When an opponent casts an enchantment spell, if this permanent is an enchantment, it becomes a 5/5 Treefolk creature.

When an opponent casts an artifact spell, if this permanent is an enchantment, it becomes a 5/3 Soldier creature with trample.

When an opponent plays a nonbasic land, if this permanent is an enchantment, it becomes a 3/3 Beast creature.

When an opponent controls a creature with power 4 or greater, if this permanent is an enchantment, it becomes a 4/4 Beast creature.

Put a card from your hand on top of your library: Prevent all damage that would be dealt by target instant or sorcery spell this turn.

When an opponent casts a creature spell with flying, if this permanent is an enchantment, it becomes a 3/5 Spider creature with reach. (It can block creatures with flying.)

Whenever an opponent plays a land, if this permanent is an enchantment, it becomes a 3/2 Elk Beast creature.

Whenever you play a land, if this permanent is a creature, it becomes an enchantment.

Each creature you control can block an additional creature each combat.

Whenever this creature attacks, it gets +2/+0 until end of turn.

{white}W: This creature gets +0/+1 until end of turn.

{0 generic}0: This creature gets -1/-1 and gains flying until end of turn.

Whenever a player plays a land, that player draws a card.

{3 generic}3, {tap}↷: Create a 1/1 colorless Insect artifact creature token with flying and haste named Hornet. Destroy it at the beginning of the next end step.

{blue}U: Untap this creature.

Until end of turn, target creature loses all abilities and has base power and toughness 0/1.

Destroy all enchantments.

Cycling {2 generic}2 ({2}, Discard this card: Draw a card.)

Exile Ill-Gotten Gains. Each player discards their hand, then returns up to three cards from their graveyard to their hand.

At the beginning of your upkeep, if you have a card in hand, return this creature to its owner's hand.