Relentless Assault [Tenth Edition] Vampire Spirit T: Add one mana of

T: Add one mana of the chosen color

Whenever Umbris or another Nightmare or Horror enters the battlefield under your control

−2: Destroy target artifact or enchantment

Set: Secret Lair Drop Series Type: Creature — Goblin Rarity: Rare Cost: {3}{R} Haste (This creature can attack and {T} as soon as it comes under your control

Set: Alpha Edition Type: Sorcery Rarity: Rare Cost: {U}{U} Target player activates a mana ability of each land they control

Relentless Assault [Tenth Edition] Vampire Spirit T: Add one mana ofSet: Tenth Edition Type: Sorcery Rarity: Rare Cost: {2}{R}{R} Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase. "Mercy? Mercy is for the playground, not the battleground."