Heartless Summoning
Enchantment
Creature spells you cast cost less to cast.
Creatures you control get -1/-1.
Legalities
- brawl: banned
- commander: legal
- legacy: legal
- modern: legal
- pauper: legal
- pioneer: banned
- standard: banned
- vintage: legal
Rulings
- 2011-09-22:
The first ability doesn’t reduce any colored mana requirements of the creature spell.