Braid of Fire [Coldsnap]

Braid of Fire [Coldsnap]Set: Coldsnap Type: Enchantment Rarity: Rare Cost: {1}{R} Cumulative upkeepAdd {R}. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) "To a trained mind, the cold is but a momentary distraction."

while it has an Xyz Material attached that was originally Dragon-Type

Set: Black & White: Dragons Exalted Type: Dragon Rarity: Secret Rare Retreat cost: Colorless

(This is treated as a Synchro Summon

Set: Magic 2011 Promos Type: Creature — Ooze Rarity: Rare Cost: {4}{G} When Mitotic Slime dies

Niv-Mizzet

●Destroy all Attack Position monsters your opponent controls

draw 1 card

and that spell can't be countered

Whenever another Spirit enters the battlefield under your control

Set: Shadows over Innistrad Prerelease Promos Type: Creature — Zombie Rarity: Mythic Cost: {B}{B} Menace (This creature can't be blocked except by two or more creatures

You gain life equal to the damage dealt

Set: Limited Edition Alpha Type: Creature — Zombie Rarity: Uncommon Cost: {3}{B} At the beginning of each end step