
At the beginning of combat on your turn, put X +1/+1 counters on each creature you control, where X is this creature's power.
"I've found a strange vine in the ice. Thawing for further analysis." —Meltstrider log, final entry
Illustrated by Samuel Perin · Edge of Eternities Promos · #201p
2025-07-25
The value of X is calculated only once, as Ouroboroid’s ability resolves.
2025-07-25
If Ouroboroid leaves the battlefield before its ability resolves, use its power as it last existed on the battlefield to determine the value of X.