Coat of Arms [Mystery Booster] War of the Spark Splice onto Arcane {2}{B} (As

Splice onto Arcane {2}{B} (As you cast an Arcane spell

Spend this mana only to cast creature spells

it puts twice that many of those counters on that permanent instead

Set: Dominaria Type: Legendary Artifact Mythic Cost: {0} {T}: Add one mana of any color among legendary creatures and planeswalkers you control

If it's a creature card

Coat of Arms [Mystery Booster] War of the Spark Splice onto Arcane {2}{B} (AsSet: Mystery Booster Type: Artifact Rarity: Rare Cost: {5} Each creature gets +1 +1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2 +2.) A banner for bonds of blood or belief.