Synchronous Sliver

Choose one — • Prevent all combat damage that would be dealt this turn. • Regenerate target creature. • Counter target spell that targets you.

Flying Vanishing 3 (This creature enters with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) When this creature enters or leaves the battlefield, you gain 2 life.

Benalish Commander's power and toughness are each equal to the number of Soldiers you control. Suspend X—XWW. X can't be 0. Whenever a time counter is removed from this card while it's exiled, create a 1/1 white Soldier creature token.

Other white creatures get +1/+1. Nonwhite creatures get -1/-1. Pay 2 life: Return Crovax to its owner's hand.

Flash (You may cast this spell any time you could cast an instant.) Flying; fear (This creature can't be blocked except by artifact creatures and/or black creatures.) When this creature enters, return three creatures you control to their owner's hand.

W, T, Discard a card: Creatures you control get +1/+0 until end of turn.

You gain 20 life. Suspend 10—W (Rather than cast this card from your hand, you may pay W and exile it with ten time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay 1."