Flying
When this creature enters, scry 2.

Flash
Ward
This creature enters tapped unless it's your turn.

: Untap this creature.

Federation — When Hoshi Sato enters, look at the top X cards of your library, where X is the number of creature types among non-Borg creatures you control. Put one of them into your hand and the rest on the bottom of your library in a random order.

When this creature enters, return up to one other target creature to its owner's hand. If you controlled it, investigate.

Defender, flying

Flying
This creature can block only creatures with flying.

Flying
When this creature enters, you may return up to two target creatures to their owners' hands.

Cycling
When you cycle this card, target creature or Vehicle an opponent controls gets -3/-0 until end of turn.

Flying, vigilance, ward
Shiva's Aid — When Hraesvelgr enters and whenever you cast a noncreature spell, target creature gets +1/+0 until end of turn and can't be blocked this turn.

Flash
If an opponent would draw a card except the first one they draw in each of their draw steps, instead you create a Treasure token.

Flash
This spell can't be countered.
Whenever you cast a spell, choose up to one —
• Return target spell you don't control to its owner's hand.
• Return target nonland permanent to its owner's hand.

Flash
When this creature enters, target creature an opponent controls gets -2/-0 until end of turn.

Vigilance, ward
Basic landcycling

This creature can't be blocked.
When this creature enters, target opponent creates five 1/1 red Goblin creature tokens.

Flying
When this creature enters, put target red or green creature on top of its owner's library.

At the beginning of your end step, if you've cast a noncreature spell this turn, reveal the top five cards of your library. For each card type among noncreature spells you've cast this turn, you may put a card of that type from among the revealed cards into your hand. Put the rest on the bottom of your library in a random order.

When Hurkyl's Prodigy enters, create a tapped Powerstone token.
Whenever Hurkyl's Prodigy attacks, you may pay . If you do, Hurkyl's Prodigy can't be blocked this turn and it perpetually gets +2/+0.

: Hydro Djinn gains flying until end of turn.
Hydro Djinn gets +2/+2 as long as blue is the most common color or is tied for the most common color among permanents onto the battlefield.

: Add . Spend this mana only to cast an instant or sorcery spell.
, : Add one mana of any color. Spend this mana only to cast an instant or sorcery spell.

Flash
When this creature enters, you may change the target of target instant or sorcery spell with a single target to this creature.

Whenever you cast a blue spell, if Hydro-Man is a creature, he gets +1/+1 until end of turn.
At the beginning of your end step, untap Hydro-Man. Until your next turn, he becomes a land and gains ": Add ." (He's not a creature during that time.)

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

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

Flying
Whenever this creature attacks, a random land card in your library perpetually becomes a basic Island in addition to its other types and gains "When this land enters, draw a card."

: This creature connives.

When this creature enters, tap target artifact or creature an opponent controls. Put a stun counter on it.
Islandcycling