Crater Hellion [Urza's Saga] Elf Warrior let's just see if you

let's just see if you can

Set: Antiquities Type: Artifact Rarity: Uncommon Cost: {6} {2}: Prevent the next 1 damage that would be dealt to any target this turn

Set: Arabian Nights Type: Artifact Creature — Spirit Rarity: Rare Cost: {4} Flying (This creature can't be blocked except by creatures with flying or reach

When Ancestral Knowledge enters the battlefield

Crater Hellion [Urza's Saga] Elf Warrior let's just see if youSet: 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.