Savageborn Hydra [Iconic Masters] Return of the Duelist but it cannot be activated

but it cannot be activated this turn while you have no "World Legacy" monster in your GY

Set: Weatherlight Type: Instant Rarity: Common Cost: {4}{B}{B} You may exile the top three black cards of your graveyard rather than pay this spell's mana cost

Dash {3}{B} (You may cast this spell for its dash cost

Set: Friday Night Magic 2013 Type: Creature — Beast Rarity: Rare Cost: {2}{R}{G} Trample

Savageborn Hydra [Iconic Masters] Return of the Duelist but it cannot be activatedSet: Iconic Masters Type: Creature Hydra Rarity: Rare Cost: {X}{R}{G} Double strike Savageborn Hydra enters the battlefield with X +1 +1 counters on it. {1}{R G}: Put a +1 +1 counter on Savageborn Hydra. Activate only as a sorcery.