Flying
As long as this creature is attacking, defending player can't cast spells.

As an additional cost to cast this spell, tap two untapped artifacts, creatures, and/or lands you control.

: Creatures you control get +1/+1 until end of turn.

Offspring
Whenever you attack, choose one —
• Create a 1/1 white Rabbit creature token that's tapped and attacking.
• Attacking creatures you control get +1/+1 until end of turn.

Flying
Whenever this creature deals damage, you gain that much life.

: The next 1 damage that would be dealt to this creature this turn is dealt to target creature you control instead.

Flying
Morph — Reveal a white card in your hand.
When this creature is turned face up, you gain 2 life.

All Sliver creatures get +0/+2.

When this creature enters, create a 1/1 white Human creature token.

: Creatures you control get +1/+1 until end of turn.

Waterbend : Look at the top four cards of your library. You may reveal a creature card with power 3 or less from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on this creature.
, Remove X ki counters from this creature: Tap X target creatures.

Flying, vigilance
Whenever you gain or lose life during your turn, this creature gets +1/+0 until end of turn.

Domain — This creature gets +1/+1 for each basic land type among lands you control.

When this creature enters, return target nonland permanent card with mana value 2 or less from your graveyard to your hand.
Flurry — Whenever you cast your second spell each turn, tap target creature an opponent controls.

Flying, vigilance
Threshold — As long as there are seven or more cards in your graveyard, this creature gets +3/+3, is black, has trample, and has "At the beginning of your upkeep, sacrifice a creature."

When this creature enters, draw a card.
At the beginning of combat on your turn, if you control an Equipment, you may pay . When you do, attach target Equipment you control to target creature you control.

As long as this creature is untapped, all combat damage that would be dealt to you by unblocked creatures is dealt to this creature instead.
Morph

, : 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.

When this creature enters, put a +1/+1 counter on each of up to two target creatures.
Warp

Flying
Whenever one or more other creatures you control with power 2 or less enter, draw a card. This ability triggers only once each turn.

Flying
When this creature enters, target creature gets +2/+2 and gains flying until end of turn.

Flying
When this creature dies, you may search your library for a card named Welkin Hawk, reveal that card, put it into your hand, then shuffle.

: Prevent all damage that would be dealt to target tapped Merfolk or Kithkin creature this turn.

Flash
When this creature enters, exile up to one other target non-Fox creature until this creature leaves the battlefield.
, Sacrifice this creature: You gain 2 life.

Sacrifice this creature: Destroy target artifact or enchantment. Activate only as a sorcery.

, : Tap target creature.
Morph

: Until end of turn, target creature gains "This creature can't attack or block unless its controller pays for each Cleric on the battlefield."

Valiant — Whenever this creature becomes the target of a spell or ability you control for the first time each turn, look at the top five cards of your library. You may reveal a creature card with mana value 3 or less from among them. You may put it onto the battlefield if it's your turn. If you don't put it onto the battlefield, put it into your hand. Put the rest on the bottom of your library in a random order.

Flying
Cold Breath — When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.