Slumbering Cerberus

Creature — Dog

This creature doesn't untap during your untap step.

Morbid — At the beginning of each end step, if a creature died this turn, untap this creature. (Dying is being put into the graveyard from the battlefield. Tokens enter the graveyard before they cease to exist.)

Legality

Format	Legality
1v1 Commander	Legal
Alchemy	Legal
Arena	Legal
Block Constructed	Legal
Canadian Highlander	Legal
Casual	Legal
Commander / EDH	Legal
Commander: Rule 0	Legal
Custom	Legal
Duel Commander	Legal
Gladiator	Legal
Highlander	Legal
Historic	Legal
Historic Brawl	Legal
Legacy	Legal
Leviathan	Legal
Limited	Legal
Modern	Legal
Modern Beyond Horizons	Legal
Oathbreaker	Legal
Pioneer	Legal
Planar Constructed	Legal
Pre-release	Legal
Standard	Legal
Standard Brawl	Legal
Tiny Leaders	Legal
Vintage	Legal