Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)Destroy target artifact or enchantment.
: You choose target creature an opponent controls, and that opponent chooses target creature. Flip a coin. If you win the flip, destroy the creature you chose. If you lose the flip, destroy the creature your opponent chose.
FlyingWhenever Weatherlight deals combat damage to a player, look at the top five cards of your library. You may reveal a historic card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. (Artifacts, legendaries, and Sagas are historic.)Crew 3
HasteWhenever Amy Rose attacks, attach up to one target Equipment to her. Then up to one other target attacking creature gets +X/+0 until end of turn, where X is Amy Rose's power.
Whenever you cast or copy an instant or sorcery spell, Ral, Storm Conduit deals 1 damage to target opponent or planeswalker.+2: Scry 1.−2: When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.
Chaotic Goo enters with three +1/+1 counters on it.At the beginning of your upkeep, you may flip a coin. If you win the flip, put a +1/+1 counter on Chaotic Goo. If you lose the flip, remove a +1/+1 counter from Chaotic Goo.
+1: Create two 3/1 red Elemental creature tokens with haste. Exile them at the beginning of the next end step.0: Discard all the cards in your hand, then draw that many cards plus one.−X: Chandra, Flamecaller deals X damage to each creature.
Protection from everythingIf Progenitus would be put into a graveyard from anywhere, reveal Progenitus and shuffle it into its owner's library instead.