Gideon Jura [Signature Spellbook: Gideon] Scars of Mirrodin destroy Cosmic Horror unless you

destroy Cosmic Horror unless you pay {3}{B}{B}{B}

Equipped creature gets +1/+1 for each Swamp you control

sacrifice that many nontoken permanents

Skyshroud Behemoth enters the battlefield tapped

Gideon Jura [Signature Spellbook: Gideon] Scars of Mirrodin destroy Cosmic Horror unless youSet: Signature Spellbook: Gideon Type: Legendary Planeswalker Gideon Rarity: Mythic Cost: {3}{W}{W} +2: During target opponent's next turn, creatures that player controls attack Gideon Jura if able. 2: Destroy target tapped creature. 0: Until end of turn, Gideon Jura becomes a 6 6 Human Soldier creature that's still a planeswalker. Prevent all damage that would be dealt to him this turn.