From Under the Floorboards [Shadows over Innistrad] H30 You can only use this

You can only use this effect once per turn during your Main Phase

Set: McDonald's Promos: 2012 Collection Type: Lightning Rarity: Promo

each player takes 1000 damage

Set: The New Challengers Card type: Continuous Spell Rarity: Common Once per turn: You can discard 1 card

Wither (This deals damage to creatures in the form of -1/-1 counters

From Under the Floorboards [Shadows over Innistrad] H30 You can only use thisSet: Shadows over Innistrad Type: Sorcery Rarity: Rare Cost: {3}{B}{B} Madness {X}{B}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) Create three tapped 2 2 black Zombie creature tokens and you gain 3 life. If this spell's madness cost was paid, instead create X of those tokens and you gain X life.