Primordial Hydra (Duels of the Planeswalkers Promos) [Duels of the Planeswalkers Promos 2013] Phyrexian Zombie Dog that player puts it into

that player puts it into their hand

Ignore this effect for each creature the player didn't control continuously since the beginning of the turn

When Duergar Hedge-Mage enters the battlefield

It isn't truly born until its first flight

you may return Krovikan Horror to your hand

Primordial Hydra (Duels of the Planeswalkers Promos) [Duels of the Planeswalkers Promos 2013] Phyrexian Zombie Dog that player puts it intoSet: Duels of the Planeswalkers Promos 2013 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.