Primordial Hydra [Magic 2012] Elf Scout if you control at least

if you control at least five other Mountains

(They can't be blocked as long as defending player controls an Island

untap all Merfolk you control

Set: Dragons of Tarkir Prerelease Promos Type: Legendary Creature — Elder Dragon Rarity: Mythic Cost: {4}{G}{W} This spell can't be countered

and up to one without

Primordial Hydra [Magic 2012] Elf Scout if you control at leastSet: Magic 2012 Type: Creature Hydra Rarity: Mythic Cost: {X}{G}{G} Primordial Hydra enters the battlefield with X +1 +1 counters on it. At the beginning of your upkeep, double the number of +1 +1 counters on Primordial Hydra. Primordial Hydra has trample as long as it has ten or more +1 +1 counters on it.