Karn, the Great Creator (Stained Glass) [Secret Lair Drop Promos]Set: Secret Lair Drop Promos Type: Legendary Planeswalker Karn Rarity: Rare Cost: {4} Activated abilities of artifacts your opponents control can't be activated. +1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value. 2: You may reveal an artifact card you own from outside the game or choose a face up artifact card you own in exile. Put that card into your hand.

Satyr Firedancer deals that much damage to target creature that player controls

"My foes serve me twice: in dying

Set: Time Spiral Type: Enchantment — Aura Rarity: Uncommon Cost: {1}{G} Enchant creature

Remove five fuse counters from Goblin Bomb and sacrifice it: It deals 20 damage to target player or planeswalker

"To survive up here

Set: Urza's Legacy Type: Enchantment Rarity: Rare Cost: {2}{B}{B} At the beginning of your upkeep

Set: Innistrad Type: Legendary Creature — Human Cleric Rarity: Mythic Cost: {X}{W} Mikaeus

Set: EX: Legend Maker Type: Metal Rarity: Common Retreat cost: Colorless

Set: EX: Dragon Frontiers Type: Lightning Rarity: Holo Rare Retreat cost: Colorless

Then create a 1/1 red and white Soldier creature token with haste for each muster counter on Assemble the Legion

Put one of those cards into your hand and exile the rest

target Spirit gains hexproof until end of turn