Aura Shards [Mystery Booster] Magic Player Rewards 2011 and an assassin that will

and an assassin that will cause you to lose the game immediately if you guess it

Set: Commander 2017 Type: Legendary Artifact — Equipment Rarity: Rare Cost: {4} Whenever Hammer of Nazahn or another Equipment enters the battlefield under your control

Set: Portal Three Kingdoms Type: Sorcery Rarity: Common Cost: {2}{W} Target creature gets +3/+3 and gains horsemanship until end of turn

or lifelink

Aura Shards [Mystery Booster] Magic Player Rewards 2011 and an assassin that willSet: Mystery Booster Type: Enchantment Rarity: Uncommon Cost: {1}{G}{W} Whenever a creature enters the battlefield under your control, you may destroy target artifact or enchantment. Gaea forged her soldiers into self wielding weapons that struck down all impurities.