Nemesis

You may return an Island you control to its owner's hand rather than pay this spell's mana cost. Counter target spell unless its controller pays {1}.

Flying Fading 3 (This creature enters the battlefield with three fade counters on it. At the beginning of your upkeep, remove a fade counter from ...

{U}: Rootwater Thief gains flying until end of turn. Whenever Rootwater Thief deals combat damage to a player, you may pay {2}. If you do, search t...

Lands don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player untaps a land they control.

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost. Tap all creatures.

Flying Players play with their hands revealed.

Whenever a player casts a creature spell, that player sacrifices a permanent unless they pay {1}.

{U}: Rootwater Thief gains flying until end of turn. Whenever Rootwater Thief deals combat damage to a player, you may pay {2}. If you do, search ...

Until end of turn, if a player taps a nonbasic land for mana, it produces colorless mana instead of any other type.

If an opponent controls a Forest and you control an Island, you may cast this spell without paying its mana cost. Put target creature on top of it...

Whenever a player casts a creature spell, that player sacrifices a permanent unless they pay {1}.

{U}, {T}, Discard a card: You may tap or untap target artifact, creature, or land.

Target creature can't be blocked this turn.

{3}{U}: Return Sliptide Serpent to its owner's hand.

Sneaky Homunculus can't block or be blocked by creatures with power 2 or greater.

{U}{U}, {T}, Discard a card: Counter target creature spell.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Enchant creature Enchanted creature has flying. Enchanted creature can block only creatures with flying.

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost. Tap all creatures.

Protection from red

Sacrifice Seal of Removal: Return target creature to its owner's hand.

Gain control of target creature with mana value X or less.

{U}{U}, {T}, Discard a card: Counter target noncreature spell.

Fading 4 (This creature enters the battlefield with four fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If yo...