M̷̸agi̧c͞͠ m͢͟͡í̢́̕s͏ţ̢ak̶e

Defender, indestructible, hex proof, Flash
When this is put on the battlefield, it starts off with 0 round counters and 4 functional counters. At the beginning of your upkeep, add a round counter to it. You may not do that if you have lost health since your last upkeep. If your lose health, it loses an FC. if it has 0 FC, move it to your graveyard. If Magic mistake gets 5 round counters, tap it. If you survive till your next upkeep, you win the game.
-{0}: return Magic mistake to your hand from