Gisela, the Broken Blade [From the Vault: Transform] Rabbit I never saw one alive

I never saw one alive before

creatures you control gain trample and get +X/+X until end of turn

Set: Commander 2014 Type: Creature — Siren Rarity: Rare Cost: {2}{U} {U}

Set: Tempest Type: Sorcery Rarity: Rare Cost: {3}{U}{U} Target player takes an extra turn after this one

and Y is half the number of Forests you control

Gisela, the Broken Blade [From the Vault: Transform] Rabbit I never saw one aliveSet: 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.