CardName: Fuel Volley
Cost: {R}{R}
Type: Instant
Pow/Tgh: /
Rules Text: Hoard {1} (As you cast this spell, you may pay {1} and exile
the top card of your library. If you do, create a colorless
Treasure artifact token with "{T}, Sacrifice this artifact:
Add one mana of any color.")
Deal 3 damage to any target.
Flavour Text:
Set/Rarity: temporary storage None
Fuel Volley
Instant
Hoard (As you cast this spell, you may pay and exile the top card of your library. If you do, create a colorless Treasure artifact token with ", Sacrifice this artifact: Add one mana of any color.")
Hoard test #1. I think Hoard won't work because layering the treasure artifact into a new mechanic is weird.