First printed in Teenage Mutant Ninja Turtles Eternal (2026)
Shellshock 
Instant
For each opponent, choose up to one target creature that player controls. Shellshock deals X damage to each of those creatures. You create a Mutagen token for each creature dealt damage this way. (They're artifacts with "
, 
, Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.")
Legality
- Legal in
- Legacy, Vintage, Gladiator, Commander, Duel Commander, Tiny Leaders, Oathbreaker
- Not legal in
- Standard, Pioneer, Modern, Pauper, Future Standard, Historic, Timeless, Alchemy, Penny Dreadful, Premodern, Old School 93/94, Pauper Commander, PreDH, Brawl, Standard Brawl, Competitive Brawl
MTGO price: 0.24 TIX, the cheapest non-foil print (average sell price on GoatBots, 28 Oct 2026).
