Hellspark Elemental [Wizards Play Network 2009] XY69 But coral only grows

But coral only grows

Set: Amonkhet Invocations Type: Legendary Creature — God Rarity: Mythic Cost: {4}{U}{R} Flying

Set: Zendikar Type: Creature — Beast Rarity: Common Cost: {3}{G} Whenever Timbermaw Larva attacks

Set: Modern Horizons 2 Prerelease Promos Type: Artifact Rarity: Rare Cost: {2} Whenever a player casts a spell

Set: Kaldheim Type: Snow Creature — Zombie Berserker Rarity: Common Cost: {2}{B} {1}{S}: Grim Draugr gets +1/+0 and gains menace until end of turn

Hellspark Elemental [Wizards Play Network 2009] XY69 But coral only growsSet: Wizards Play Network 2009 Type: Creature Elemental Rarity: Rare Cost: {1}{R} Trample, haste At the beginning of the end step, sacrifice Hellspark Elemental. Unearth {1}{R} ({1}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)