Sol Ring [International Collectors' Edition] Scheme if an opponent controls three

if an opponent controls three or more creatures

Set: Ravnica: City of Guilds Type: Enchantment — Aura Rarity: Rare Cost: {2}{R}{R} Enchant creature you control

Set: Kaladesh Inventions Type: Artifact — Equipment Rarity: Mythic Cost: {3} Equipped creature gets +2/+2 and has protection from red and from white

Creatures with islandwalk can be blocked as though they didn't have islandwalk

Set: Legions Type: Creature — Sliver Rarity: Rare Cost: {3}{R} All Slivers have "{T}: Target Sliver creature gets +X/+0 until end of turn

Sol Ring [International Collectors' Edition] Scheme if an opponent controls threeSet: International Collectors' Edition Type: Artifact Rarity: Uncommon Cost: {1} {T}: Add {C}{C}.