Charles Dickles, “Doibly”

Crew 3, Partnership(Partner with other Hero)

Charles Dickles, “Doibly” power and toughness are each equal to the greatest mana value among artifacts and vehicles you control.
At the beginning of your upkeep, add {c} for each artifact and vehicles you control. This mana can't be spent to cast nonartifact spells.
Until end of turn, you don't lose this mana as steps and phases end.