Mox Ruby [Collectors' Edition]Set: Collectors' Edition Type: Artifact Rarity: Rare Cost: {0} {T}: Add {R}.

Karma deals damage to that player equal to the number of Swamps they control

They mutate into the creature on top plus all abilities from under it

Set: Beta Edition Type: Artifact Rarity: Rare Cost: {2} Whenever a land enters the battlefield

(You don't lose the game due to having 0 or less life or drawing from an empty library

Set: Ikoria: Lair of Behemoths Type: Creature — Bat Rarity: Rare Cost: {2}{B}{B} Mutate {4}{B}{B} (If you cast this spell for its mutate cost

return that card to the battlefield under your control if it's a Samurai card

Set: Urza's Saga Type: Enchantment Rarity: Uncommon Cost: {G} At the beginning of each of your main phases

Set: Modern Masters 2017 Type: Legendary Creature — Demon Rarity: Mythic Cost: {4}{B}{B}{B}{B} Flying

Set: Alpha Edition Type: Artifact Rarity: Rare Cost: {0} {T}: Add {W}

Set: Neo Revelation Unlimited Type: Metal Rarity: Holo Rare Retreat cost: Colorless

Set: Gateway 2007 Type: Creature — Treefolk Warrior Rarity: Rare Cost: {3}{G} Dauntless Dourbark's power and toughness are each equal to the number of Forests you control plus the number of Treefolk you control

{T}: Put a charge counter on Jeweled Amulet