Flying
Whenever Siani attacks, scry X, where X is the number of attacking creatures with flying.
Partner

Flying
Whenever this creature attacks, defending player may draw a card.

When this creature enters, look at the top two cards of your library. Put one of them into your hand and the other into your graveyard.

Exploit
When this creature exploits a creature, return target creature to its owner's hand.

, Tap two untapped Wizards you control: Copy target instant or sorcery spell. You may choose new targets for the copy.

: Scry 1.

This creature can't attack unless you've cast a noncreature spell this turn.

Flying
, Sacrifice this creature: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Flash
Flying
Exploit
When this creature exploits a creature, counter target creature spell.

Megamorph
When this creature is turned face up, counter target spell unless its controller pays .

Flying, trample

Flash
Flying
When Silver Surfer enters, exile any number of other target permanents you control. Return those cards to the battlefield under their owner's control at the beginning of the next end step. If a land enters this way, it enters tapped.

Flying
: Change the target of target spell or ability that targets only this creature. The new target must be a creature.

As an additional cost to cast this spell, reveal a Merfolk card from your hand or pay .
When this creature enters, draw a card.

: Target creature gets -X/-0 until end of turn, where X is the number of Merfolk and/or Faeries you control.

As an additional cost to cast this spell, behold a Merfolk or pay .
When this creature enters, create a 1/1 white and blue Merfolk creature token.

Whenever this creature becomes tapped, draw a card, then discard a card.

Evolve
, : Move a +1/+1 counter from this creature onto target creature.

Evolve
, Remove one or more +1/+1 counters from this creature: Gain control of target creature with power less than or equal to the number of +1/+1 counters removed this way.

: Draw a card and reveal it. If it isn't a land card, discard it.

When this creature dies, you may exile it and put three time counters on it. If you do, exile up to one target creature and put three time counters on it. Each card exiled this way that doesn't have suspend gains suspend.

When this creature enters, target creature an opponent controls gets -3/-0 until end of turn.
Warp

When this creature enters, look at the top X cards of your library, where X is the number of Caves you control plus the number of Cave cards in your graveyard. Put two of those cards into your hand and the rest on the bottom of your library in a random order.

: This creature gets +1/-1 until end of turn.
Eternalize — , Discard a card.

Flying
Whenever you cast a Spirit or Arcane spell, you may draw a card.

Flying
When this creature enters, it explores.

Flying
Tribute 3
When this creature enters, if tribute wasn't paid, gain control of target creature.

Raid — This spell costs less to cast if you attacked this turn.
Flying

Flying
, Sacrifice this creature: Counter target spell or ability that targets you or a creature you control.