Ultra Instinct Shaggy

hexproof, lifelink, unblockable, meme(whenever
this creature deals combat damage to a player,
put that many +2+2 counters on Shaggy)
{t}Creatures you control gain +5+5 and hexproof
until end of turn
What's his power level? IT'S OVER 9000! That can't
be! It's impossible!