Target creature can't be blocked this turn. Flashback {U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Until end of turn, target creature gets +1/+3 and gains flying and toxic 1. (Players dealt combat damage by that creature also get a poison counter.)

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) This creature can't attack unless there are five or more Islands on the battlefield.

Target creature gains flying until end of turn.

Changeling (This card is every creature type.) Flying {1}{U}: This creature gets +1/-1 until end of turn.

Target creature gets -5/-0 until end of turn.

Creatures your opponents control get -4/-0 until end of turn.

Defender (This creature can't attack.) Flying Prevent all combat damage that would be dealt to and dealt by this creature.

Defender, flying Prevent all combat damage that would be dealt to this creature.

If three or more creatures are attacking, you may pay {U} rather than pay this spell's mana cost. Attacking creatures get -3/-0 until end of turn.

Flying

Flying Whenever this creature attacks, target creature you control gains flying until end of turn.

Flying When this creature dies, draw a card.

This creature can't attack unless you return an enchantment you control to its owner's hand. (This cost is paid as attackers are declared.)

This creature can't be blocked unless defending player controls three or more creatures that share a creature type.

Flash (You may cast this spell any time you could cast an instant.) Flying

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) When this creature attacks or blocks, return it to its owner's hand at end of combat. (Return it only if it's on the battlefield.)

{U}: Regenerate this creature. Activate only if this creature blocked or was blocked by a blue creature this turn.

This creature can't attack unless defending player controls an Island. {5}{U}{U}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) When this creature becomes monstrous, target land becomes an Island in addition to its other types.

Flying

Flash (You may cast this spell any time you could cast an instant.) Flying

Flying This creature can block only creatures with flying.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Affinity for Islands (This spell costs {1} less to cast for each Island you control.) Flying

Flash Flying When this creature enters, target creature an opponent controls gets -X/-0 until end of turn, where X is your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

{U}, Sacrifice this artifact: Return target creature to its owner's hand. {1}, Sacrifice this artifact: Draw a card.

Flying When this creature enters, you may return target creature to its owner's hand.

Counter target spell.

Tap up to three target creatures.

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.

Enchant creature Enchanted creature doesn't untap during its controller's untap step.

Counter target spell. Foretell {1}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Return all permanents of the color of your choice to their owners' hands.

Draw two cards.

Draw three cards.

Flying Whenever you cast an instant or sorcery spell, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Choose one — • Draw three cards. • Return up to two target creatures to their owners' hands.

Shroud (This creature can't be the target of spells or abilities.) Landfall — Whenever a land you control enters, you may switch this creature's power and toughness until end of turn.