Heartless Summoning
Enchantment
Creature spells you cast cost 
less to cast.
Creatures you control get -1/-1.
"They won't be winning any beauty pageants, but they'll do the trick." —Enslow, ghoulcaller of Nephalia
Anthony Palumbo
Innistrad (ISD)
• #104Rulings
Heartless Summoning’s first ability can only reduce the generic mana portion of a creature spell’s cost.
(wotc • 2025-01-24)
Rulings
Heartless Summoning’s first ability can only reduce the generic mana portion of a creature spell’s cost.
(wotc • 2025-01-24)