Michelangelo, Weirdness to 11 (Japan Showcase) Sorcery except it's 0/0 and has

except it's 0/0 and has this ability

Wither (This deals damage to creatures in the form of -1/-1 counters

you may reselect which player or permanent target attacking creature is attacking

unaware of the other world that inspired it

They don't untap during their controller's next untap step

Michelangelo, Weirdness to 11 (Japan Showcase) Sorcery except it's 0/0 and hasWhen Michelangelo enters, create a Mutagen token. (It's an artifact with '{1}, {T}, Sacrifice this token: Put a +1 +1 counter on target creature. Activate only as a sorcery.') If one or more +1 +1 counters would be put on a creature you control, that many plus one +1 +1 counters are put on it instead.