Gisela, the Broken Blade [From the Vault: Transform] Shadows over Innistrad if creatures you control have

if creatures you control have total power 8 or greater

Set: Commander 2014 Type: Creature — Spirit Rarity: Rare Cost: {3}{B} Extort (Whenever you cast a spell

Set: Unlimited Edition Type: Creature — Hydra Rarity: Rare Cost: {X}{R}{R} Rock Hydra enters the battlefield with X +1/+1 counters on it

Set: Commander 2016 Type: Legendary Creature — Merfolk Wizard Rarity: Rare Cost: {G}{U} {4}: Scry 1

If you sacrifice an Island this way

Gisela, the Broken Blade [From the Vault: Transform] Shadows over Innistrad if creatures you control haveSet: From the Vault: Transform Type: Legendary Creature Angel Horror Rarity: Mythic Cost: {2}{W}{W} Flying, first strike, lifelink At the beginning of your end step, if you both own and control Gisela, the Broken Blade and a creature named Bruna, the Fading Light, exile them, then meld them into Brisela, Voice of Nightmares. She now hears only Emrakul's murmurs.