Crater Hellion [Urza's Saga] Amonkhet Prerelease Promos create a 1/1 green Saproling

create a 1/1 green Saproling creature token for each +1/+1 counter on Mycoloth

Raid — When Wingmate Roc enters the battlefield

Tibalt Type: Creature — Nightmare Horror Rarity: Common Cost: {1}{B} When Mesmeric Fiend enters the battlefield

Set: Alpha Edition Type: Instant Rarity: Common Cost: {1}{B} Destroy target nonartifact

Set: Urza's Saga Type: Artifact Rarity: Uncommon Cost: {3} Worn Powerstone enters the battlefield tapped

Crater Hellion [Urza's Saga] Amonkhet Prerelease Promos create a 1/1 green SaprolingSet: Urza's Saga Type: Creature Hellion Beast Rarity: Rare Cost: {4}{R}{R} Echo {4}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When Crater Hellion enters the battlefield, it deals 4 damage to each other creature.