MTG

Enchant creature Enchanted creature gets +3/+3. At the beginning of the upkeep of enchanted creature's controller, put a -1/-1 counter on that crea...

Enchant artifact You control enchanted artifact.

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

{U}: Counter target spell that targets Mistfolk.

You may choose not to untap Rubinia Soulsinger during your untap step. {T}: Gain control of target creature for as long as you control Rubinia and ...

Mutate {2}{U/B}{G}{G} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the cre...

Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)

{T}, Discard a nonblack card: Draw a card. {T}, Discard a black card: Draw two cards, then discard one of them.

Whenever a Forest an opponent controls becomes tapped, you gain 1 life.

Trample Leviathan enters the battlefield tapped and doesn't untap during your untap step. At the beginning of your upkeep, you may sacrifice two Is...

Untap target artifact, creature, or land. Draw a card at the beginning of the next turn's upkeep.

Target creature gains flying until end of turn.

Flying {3}{U}: Scry 1.

Flash Flying

Constellation — Whenever an enchantment enters the battlefield under your control, Triton Waverider gains flying until end of turn.

Whenever Towering-Wave Mystic deals damage, target player puts that many cards from the top of their library into their graveyard.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

{U}, {T}: Counter target spell unless its controller pays {1}.

Shuffle a card from your hand into your library. If you do, draw two cards at the beginning of the next turn's upkeep.

Whenever Labyrinth Minotaur blocks a creature, that creature doesn't untap during its controller's next untap step.

Shuffle a card from your hand into your library. If you do, draw two cards at the beginning of the next turn's upkeep.

{U}, {T}: Counter target spell unless its controller pays {1}.