Goryo's Vengeance [Betrayers of Kamigawa] Island Swamp put a pin counter on

put a pin counter on Voodoo Doll

Set: Eighth Edition Type: Creature — Zombie Rarity: Rare Cost: {1}{B}{B} Other Zombie creatures get +1/+1

then you may cast any number of spells from among those cards without paying their mana costs

Set: Invasion Type: Artifact Rarity: Rare Cost: {3} Sacrifice a creature: Add one mana of any color

Goryo's Vengeance [Betrayers of Kamigawa] Island Swamp put a pin counter onSet: Betrayers of Kamigawa Type: Instant Arcane Rarity: Rare Cost: {1}{B} Return target legendary creature card from your graveyard to the battlefield. That creature gains haste. Exile it at the beginning of the next end step. Splice onto Arcane {2}{B} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)