Sturdy Hatchling [Eventide] Zombie Dinosaur Beast each of those creatures has

each of those creatures has "Whenever this creature deals damage to an opponent

'" —Jefan

Roar of the World is in the command zone or on the battlefield

(The punctuation marks are

mountaincycling {2} ({2}

Sturdy Hatchling [Eventide] Zombie Dinosaur Beast each of those creatures hasSet: Eventide Type: Creature Elemental Rarity: Uncommon Cost: {3}{G U} Sturdy Hatchling enters the battlefield with four 1 1 counters on it. {G U}: Sturdy Hatchling gains shroud until end of turn. (It can't be the target of spells or abilities.) Whenever you cast a green spell, remove a 1 1 counter from Sturdy Hatchling. Whenever you cast a blue spell, remove a 1 1 counter from Sturdy Hatchling.