Ephemerate

Destroy all blocking creatures and all blocked creatures.

Enchant artifact you control At the beginning of your upkeep, create a token that's a copy of enchanted artifact. Then if you control eight or more artifacts with the same name as one another, you win the game.

Flying, vigilance Ceaseless Tempest — Whenever Storm deals combat damage to a player, the next instant or sorcery spell you cast this turn has storm. (When you cast it, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Target player mills half their library, rounded down.

Whenever a player plays a land, that player draws a card.

Destroy target creature. It can't be regenerated.

Choose three. You may choose the same mode more than once. • Counter target spell unless its controller pays 3. • Return target creature to its owner's hand. • Draw a card.

Copy target instant or sorcery spell, then return it to its owner's hand. You may choose new targets for the copy.