Mox Opal [Modern Masters 2015] Eighth Edition a legendary 4/4 green Elemental

a legendary 4/4 green Elemental creature token

Repeat this process until no one puts a card onto the battlefield

Whenever a player wins a coin flip

Set: Magic Player Rewards 2008 Type: Sorcery Rarity: Rare Cost: {U} Look at the top three cards of your library

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

Mox Opal [Modern Masters 2015] Eighth Edition a legendary 4/4 green ElementalSet: Modern Masters 2015 Type: Legendary Artifact Rarity: Mythic Cost: {0} Metalcraft {T}: Add one mana of any color. Activate only if you control three or more artifacts. The suns of Mirrodin have shone upon perfection only once.