Necropotence [Ice Age] Goblin Assassin you'd need the energy of

you'd need the energy of the giant's tonic

Set: Two-Headed Giant Tournament Type: Enchantment Rarity: Rare Cost: {B}{B}{B} Whenever an opponent draws a card

At the beginning of combat on your turn

Set: Planechase 2012 Planes Type: Plane — Kephalai Rarity: Common When you planeswalk to Aretopolis or at the beginning of your upkeep

Set: Nemesis Type: Creature — Human Rebel Rarity: Rare Cost: {2}{G}{G} {3}

Necropotence [Ice Age] Goblin Assassin you'd need the energy ofSet: Ice Age Type: Enchantment Rarity: Rare Cost: {B}{B}{B} Skip your draw step. Whenever you discard a card, exile that card from your graveyard. Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.