Other white creatures you control get +1/+1.Other black creatures you control get +1/+1.Whenever you cast a white spell, you may tap target creature.Whenever you cast a black spell, you may destroy target creature if it's tapped.
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)Whenever Cold-Eyed Selkie deals combat damage to a player, you may draw that many cards.
Protection from white and from black: Stillmoon Cavalier gains flying until end of turn.: Stillmoon Cavalier gains first strike until end of turn.: Stillmoon Cavalier gets +1/+0 until end of turn.
Change the text of target spell or permanent by replacing all instances of one color word with another.Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)
Each opponent who controls more creatures than you can't cast creature spells. The same is true for artifacts and enchantments.Each opponent who controls more lands than you can't play lands.
Chroma — Reveal the top ten cards of your library. For each blue mana symbol in the mana costs of the revealed cards, target opponent mills a card. Then put the cards you revealed this way on the bottom of your library in any order.
Flying, Sacrifice Glen Elendra Archmage: Counter target noncreature spell.Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)
Other green creatures you control get +1/+1.Other blue creatures you control get +1/+1.Untap all green and/or blue creatures you control during each other player's untap step.
Shroud (This enchantment can't be the target of spells or abilities.): Put X tower counters on Helix Pinnacle.At the beginning of your upkeep, if there are 100 or more tower counters on Helix Pinnacle, you win the game.