Cyclic Mana Gun

{t}: The below effect does not occur on your next upkeep step, but will occur on the upkeep step after that, instead dealing 6 damage to a target creature or 4 damage to a target player
On your upkeep step, deal 4 damage to a target creature or 2 damage to a target player.
You may tap an ally Blue creature to deal 4 damage to a target creature or 2 damage to a target player.