Awesome Black Friday FOILS

Devoid (This card has no color.) As an additional cost to cast this spell, put a card an opponent owns from exile into that player's graveyard. P...

Devoid (This card has no color.) Whenever you cast a colorless spell, Kozilek's Sentinel gets +1/+0 until end of turn.

Devoid (This card has no color.) {2}{R}, Sacrifice another colorless creature: Barrage Tyrant deals damage equal to the sacrificed creature's powe...

{1}{B}, Sacrifice another creature: Put two +1/+1 counters on Voracious Null. Activate only as a sorcery.

Rally — Whenever Kalastria Healer or another Ally enters the battlefield under your control, each opponent loses 1 life and you gain 1 life.

{4}{B}: Target creature gets -1/-1 until end of turn.

Menace (This creature can't be blocked except by two or more creatures.) Landfall — Whenever a land enters the battlefield under your control, Gey...

Return up to two target creature cards from your graveyard to your hand.

As an additional cost to cast this spell, sacrifice a creature. Destroy target creature.

Scry X, where X is the highest mana value among permanents you control, then draw three cards.