Ampler Stormstack, Genius

Mana abilities of artifacts you control cost {1} less to activate
Haste, {t}: Roll a d20:
•Uh -Oh! 1-2: Sacrifice an artifact you control at
random.
•Guardian Mode, 3-10: Deal 3 damage to any
target. Then create a treasure token.
•Infiltrator Mode, 11-18: Scry 2. Then, investigate.
{bull}Get Amplified! 19-20: Add 7 mana of any color.