Emerald Medallion
Artifact
Green spells you cast cost 
less to cast.
Commander bracket
Derived from card traits, not a ruling — bracket rules turn on how a deck intends to use a card. Bracket rules
EDHREC
Combos 1
Format legality
Rulings
- 2023-07-28
If a spell you cast has
in its mana cost, you choose the value of X before calculating the spell's total cost. - 2023-07-28
If there are additional costs to cast a spell, or if the cost to cast a spell is increased by an effect (such as the one created by Thalia, Guardian of Thraben's ability), apply those increases before applying cost reductions.
- 2023-07-28
The ability can't reduce the amount of colored mana you pay for a spell. It reduces only the generic mana component of that cost.
- 2023-07-28
The ability doesn't change the mana cost or mana value of any spell. It changes only the total cost you pay.
- 2023-07-28
The cost reduction can apply to alternative costs such as flashback costs.