My Undead Horde Awakens (Schemes) [Archenemy Schemes] Legendary Artifact Creature "The key to unlocking this

"The key to unlocking this puzzle is within you

Set: Saviors of Kamigawa Type: Instant — Arcane Rarity: Uncommon (Nonexistent mana costs can't be paid

Set: Ninth Edition Type: Creature — Zombie Goblin Rarity: Common Cost: {B} When Festering Goblin dies

you may untap Dormant Gomazoa

as if it had always known

My Undead Horde Awakens (Schemes) [Archenemy Schemes] Legendary Artifact Creature "The key to unlocking thisSet: Archenemy Schemes Type: Ongoing Scheme Rarity: Common (An ongoing scheme remains face up until it's abandoned.) At the beginning of your end step, you may put target creature card from an opponent's graveyard onto the battlefield under your control. When a creature put onto the battlefield with this scheme dies, abandon this scheme.