Hydra Broodmaster [Journey into Nyx]

Set: Journey into Nyx Type: Creature — Hydra Rarity: Rare Cost: {4}{G}{G} {X}{X}{G}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.)When Hydra Broodmaster becomes monstrous, create X X/X green Hydra creature tokens.