Smelting Vat (Extended Art) [The Brothers' War Commander] Standard Set: Mercadian Masques Type: Enchantment

Set: Mercadian Masques Type: Enchantment Rarity: Rare Cost: {2}{W} Nonwhite creatures with power 3 or greater don't untap during their controllers' untap steps

or green Saproling

Arena — Goad target creature

Set: Seventh Edition Type: Enchantment Rarity: Uncommon Cost: {2}{U} Whenever a player casts a spell

Smelting Vat (Extended Art) [The Brothers' War Commander] Standard Set: Mercadian Masques Type: EnchantmentSet: The Brothers' War Commander Type: Artifact Rarity: Rare Cost: {4} {1}, {T}, Sacrifice another artifact: Reveal the top eight cards of your library. Put up to two noncreature artifact cards with total mana value less than or equal to the sacrificed artifact's mana value from among them onto the battlefield and the rest on the bottom of your library in a random order.