Flamewave Invoker [Duel Decks: Jace vs. Chandra] Magic 2010 Promos Primordial Hydra has trample as

Primordial Hydra has trample as long as it has ten or more +1/+1 counters on it

When an attack is declared involving this card that was Synchro Summoned this turn and another monster: You can make this card's ATK become double its original ATK until the end of this turn

After 20 turns have passed (counting the turn you activate this card as the 1st turn)

select 1 card on your opponent''s side of the field and destroy it

Flamewave Invoker [Duel Decks: Jace vs. Chandra] Magic 2010 Promos Primordial Hydra has trample asSet: Duel Decks: Jace vs. Chandra Type: Creature Goblin Mutant Rarity: Uncommon Cost: {2}{R} {7}{R}: Flamewave Invoker deals 5 damage to target player or planeswalker. Inside even the humblest goblin lurks the potential for far greater thingsand far worse.