
This creature enters with X +1/+1 counters on it.
At the beginning of your upkeep, double the number of +1/+1 counters on this creature.
This creature has trample as long as it has ten or more +1/+1 counters on it.
Primordial Hydra has 6 printings, first in Magic 2012 (2011). EDHREC ranks it #2,409 among Commander cards. It appears most in Zaxara, the Exemplary decks (14,117 on EDHREC). 1 public deck on TCG runs it. It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.