CommanderModernPioneerLegacyVintage
Result
Infinite turns, Lock
At the beginning of your combat phase, Ouroboroid triggers, putting at least five +1/+1 counters on each creature you control.
Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
Repeat.
Component Cards
How It Works
1
At the beginning of your combat phase, Ouroboroid triggers, putting at least five +1/+1 counters on each creature you control.
Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
Repeat.

