Changeling Hero [Mystery Booster]

Changeling Hero [Mystery Booster]Set: Mystery Booster Type: Creature Shapeshifter Rarity: Uncommon Cost: {4}{W} Changeling (This card is every creature type.) Champion a creature (When this enters the battlefield, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.) Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Set: Tenth Edition Type: Creature — Human Rebel Rarity: Uncommon Cost: {3}{W} {X}{W}

It is the demon's mark

each other nontoken creature you control becomes a copy of that creature

Set: Scars of Mirrodin Type: Creature — Spider Rarity: Uncommon Cost: {3}{G}{G} Reach

Set: War of the Spark Type: Instant Rarity: Uncommon Cost: {1}{U} Amass 1

Set: Dragons of Tarkir Promos Type: Creature — Dragon Rarity: Rare Cost: {3}{R}{G} Flying

you may tap target permanent

Set: Weatherlight Type: Enchantment Rarity: Rare Cost: {2}{R} Creatures you control have haste

create a 10/10 colorless Eldrazi creature token

No one knows when the tournament began

Set: Mirrodin Type: Creature — Elephant Soldier Rarity: Rare Cost: {1}{W} At the beginning of your upkeep

(Do both if {U}{B} was spent