Helm of the Ghastlord

{3}{U/B} · Enchantment — Aura · from $11.29

Enchant creature

As long as enchanted creature is blue, it gets +1/+1 and has "Whenever this creature deals damage to an opponent, draw a card."

As long as enchanted creature is black, it gets +1/+1 and has "Whenever this creature deals damage to an opponent, that player discards a card."

Format legality

Y'shtola, Night's Blessed (cEDH, 0.4% of the meta): 1 in the main deck of 24% of lists
Nekusar, the Mindrazer (cEDH, 0.0% of the meta): 1 in the main deck of 50% of lists