Goblin Anarchomancer
Creature — Goblin Shaman
Each spell you cast that's red or green costs 
less to cast.
A good Gruul shaman can work a whole clan into a frenzy. A great one will wait until the enemy's nearby.
Joe Slucher
Modern Horizons 2 (MH2)
• #200Rulings
A spell that's both red and green costs {1} less to cast.
(wotc • 2021-06-18)
Rulings
A spell that's both red and green costs {1} less to cast.
(wotc • 2021-06-18)