Slaughter Pact (Invocation) [Amonkhet Invocations] Leviathan its power and toughness are

its power and toughness are each equal to the number of Forests defending player controls

Set: Lorwyn Type: Sorcery Rarity: Rare Cost: {B} Target player reveals their hand

The Forest of Argoth has developed a resistance to mechanical intrusion

" —Yeter

Set: Mirrodin Type: Artifact Rarity: Rare Cost: {3} Imprint — When Extraplanar Lens enters the battlefield

Slaughter Pact (Invocation) [Amonkhet Invocations] Leviathan its power and toughness areSet: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {0} Destroy target nonblack creature. At the beginning of your next upkeep, pay {2}{B}. If you don't, you lose the game.