Birds of Paradise [Unlimited Edition] Dinosaur Avatar Primordial Hydra has trample as

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

Set: Modern Masters 2015 Type: Creature — Elemental Rarity: Rare Cost: {1}{B}{B} Wither (This deals damage to creatures in the form of -1/-1 counters

The only thing it likes more than discovering a pit of bones is adding to it

Set: Legends Type: World Enchantment Rarity: Uncommon Cost: {2}{G}{G} Creatures can't attack a player unless that player cast a spell or put a nontoken permanent onto the battlefield during their last turn

you may pay {2}

Birds of Paradise [Unlimited Edition] Dinosaur Avatar Primordial Hydra has trample asSet: Unlimited Edition Type: Creature Bird Rarity: Rare Cost: {G} Flying {T}: Add one mana of any color.