Brainstorm Rainbow Foil Graded destroy Zen State unless you

destroy Zen State unless you remove a balance counter from it

Surge - If this deals more than 2 damage

then destroy it unless you put a Lightning card from your pitch zone on the bottom of your deck for each flow counter on it

Hatchet of Mind gains +1 [Power] until end of turn

Once per Turn Attack Reaction -- 0: Target dagger you control that isn't on the active chain link deals 1 damage to target hero

Brainstorm Rainbow Foil Graded destroy Zen State unless youUntil end of turn, your hero gains "Whenever you draw a card this action phase, deal 1 arcane damage to any target". (Brainstorm itself does not have an arcane damage effect. It is not modified by arcane damage modifiers.)