Dungeon Master

Flash
Double strike
reach
Dungeon master enters the battlefield with x +1/+1 counters on it. when Dungeon Master enters the battlefield, counter all spells that were cast this turn.
When Dungeon master is blocked or being blocked by a creature, exile that creature until Dungeon Master leaves the battlefield. When Dungeon Master is put into anywhere other than the battlefield, target player loses the game
Escape- {x} exile your graveyard and each creature your opponents control