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{1 generic}1, Discard a card at random: Put a +1/+1 counter on target creature.

{1 generic}1{red}R{red}R: This creature deals 2 damage to target creature with flying and that creature loses flying until end of turn.

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

{1 generic}1{black}B{black}B: Regenerate this creature.

Target player sacrifices a creature of their choice.

Flashback {5 generic}5{black}B{black}B (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Buyback—Sacrifice a land. (You may sacrifice a land in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)

Prevent all combat damage that would be dealt this turn.

Destroy target nonblack creature. It can't be regenerated.

Shadow (This creature can block or be blocked by only creatures with shadow.)

{1 generic}1{black}B, {tap}↷: Destroy target creature with shadow.

Shadow (This creature can block or be blocked by only creatures with shadow.)

This creature attacks each combat if able.

When this creature enters, you may return target creature card from your graveyard to your hand.

Attacking creatures gain first strike until end of turn.

Flying

{tap}↷: This creature gets -2/+2 and loses flying until end of turn.

{tap}↷: You choose target creature an opponent controls, and that opponent chooses target creature. Flip a coin. If you win the flip, destroy the creature you chose. If you lose the flip, destroy the creature your opponent chose.

When another creature enters, sacrifice this creature and it deals 3 damage to target player or planeswalker.

This creature can't attack unless you control more lands than defending player.

This creature can't block unless you control more lands than attacking player.

Counter target spell. Untap up to four lands.

Destroy all nonbasic lands.

Discard a land card: This enchantment deals 2 damage to any target.

Serra Avatar's power and toughness are each equal to your life total.

When Serra Avatar is put into a graveyard from anywhere, shuffle it into its owner's library.

Pay 3 life: Put a +1/+1 counter on this creature.

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

Target player takes two extra turns after this one.

At the beginning of each player's upkeep, that player may pay 2 life. If they don't, they return a permanent they control to its owner's hand.

Whenever this creature becomes blocked by a creature, this creature gets +2/+2 until end of turn.

{white}W, {tap}↷: Search your library for a land card, reveal it, put it into your hand, then shuffle. Activate only if an opponent controls more lands than you.