Demon of Fate's Design [Commander Masters] Condition:Near Mint you may play 1 [Terriermon]

you may play 1 [Terriermon] or [Lopmon] from your hand without paying the cost

Set: Ultimate Masters Type: Legendary Creature — Merfolk Wizard Rarity: Rare Cost: {2}{U}{U} Whenever you cast an instant or sorcery spell

Create a Slither in your hand

Set: Shadows over Innistrad Prerelease Promos Type: Creature — Vampire Wizard Rarity: Rare Cost: {2}{B}{B} {1}

Set: Arabian Nights Type: Artifact Rarity: Rare Cost: {2} Whenever one or more other nontoken permanents with a name originally printed in the Arabian Nights expansion are on the battlefield

Demon of Fate's Design [Commander Masters] Condition:Near Mint you may play 1 [Terriermon]Set: Commander Masters Type: Enchantment Creature Demon Rarity: Rare Cost: {4}{B}{B} Flying, trample Once during each of your turns, you may cast an enchantment spell by paying life equal to its mana value rather than paying its mana cost. 2B, Sacrifice another enchantment: Demon of Fate's Design gets +X +0 until end of turn, where X is the sacrificed enchantment's mana value.