Nature's Claim [Eternal Masters] Spirit Knight At the beginning of the

At the beginning of the upkeep of enchanted enchantment's controller

Set: Commander Anthology Volume II Type: Legendary Creature — Human Artificer Rarity: Mythic Cost: {1}{R}{R} {2}{R}

Set: Betrayers of Kamigawa Type: Instant — Arcane Rarity: Rare Cost: {X}{G}{G} You may exile a green card with mana value X from your hand rather than pay this spell's mana cost

Set: Ice Age Type: Artifact Rarity: Uncommon Cost: {3} {2}

Untap those creatures

Nature's Claim [Eternal Masters] Spirit Knight At the beginning of theSet: Eternal Masters Type: Instant Rarity: Common Cost: {G} Destroy target artifact or enchantment. Its controller gains 4 life. "The timeless, tireless jaws of nature shall one day devour us all." Sildark, artificer of Omu