Flying Raid — When Wingmate Roc enters, if you attacked this turn, create a 3/4 white Bird creature token with flying. Whenever Wingmate Roc attacks, you gain 1 life for each attacking creature.
Morph {4}{U} When Chromeshell Crab is turned face up, you may exchange control of target creature you control and target creature an opponent controls.
Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.
"Try to pretend like you understand what's important."
As Ixidron enters, turn all other nontoken creatures face down. Ixidron's power and toughness are each equal to the number of face-down creatures on the battlefield.
Morph {4}{U}{U} When Kheru Spellsnatcher is turned face up, counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard. You may cast that card without paying its mana cost for as long as it remains exiled.
Whenever River Kelpie or another permanent enters from a graveyard, draw a card. Whenever a player casts a spell from a graveyard, draw a card. Persist