Waboku [DT03-EN100] CommonSet: Duel Terminal 3 Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 You take no Battle Damage this turn. Your monsters cannot be destroyed by battle this turn.

though at times it sings a dirge

You can only use this effect of "Invocation" once per turn

when a Zombie monster

Set: HeartGold & SoulSilver: Base Set Type: Special Rainbow Energy Rarity: Promo

or blue creature

Set: Betrayers of Kamigawa Type: Instant — Arcane Rarity: Rare Cost: {X}{B}{B} You may exile a black card with mana value X from your hand rather than pay this spell's mana cost

"They're gone

Stonecoil Serpent enters the battlefield with X +1/+1 counters on it

you can select 1 Level 2 or lower Spellcaster-Type monster from your Deck and Special Summon it in face-down Defense Position

slain werewolves

its effects are negated

Set: Black & White: Plasma Blast Type: Item Rarity: Rare Ace