infect to death

As an additional cost to cast this spell, pay X life. Target creature gets +X/+0 until end of turn.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) When this creature enters, you may pay . If you do, target creature gets +X/+0 until end of turn. When this creature enters, sacrifice it unless was spent to cast it.

Target attacking creature gets +X/+0 until end of turn. Draw a card at the beginning of the next turn's upkeep.

Target creature gets +X/+0 until end of turn.

Target creature gets +X/+0 until end of turn.

Enchant creature This Aura enters with X scream counters on it. Enchanted creature gets +1/+0 for each scream counter on this Aura.

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +X/+X, where X is the number of creature cards in all graveyards. Equip