Leviathan [The Dark] Magic 2015 Clash Pack Set: Limited Edition Alpha Type:

Set: Limited Edition Alpha Type: Instant Rare Cost: {R} Target spell or permanent becomes red

which possess the stability of ancient mountains

Set: From the Vault: Realms Type: Land Mythic Cost: {T}: Add {C}

Whenever a creature you control deals combat damage to a player

Set: Magic 2010 Type: Artifact Rare Cost: {2} At the beginning of each player's draw step

Leviathan [The Dark] Magic 2015 Clash Pack Set: Limited Edition Alpha Type:Set: The Dark Type: Creature Leviathan Rare Cost: {5}{U}{U}{U}{U} Trample Leviathan enters the battlefield tapped and doesn't untap during your untap step. At the beginning of your upkeep, you may sacrifice two Islands. If you do, untap Leviathan. Leviathan can't attack unless you sacrifice two Islands. (This cost is paid as attackers are declared.)