Rootha, Mercurial Artist | Sneak Attack | Channel the Suns

Cards

Cast
Channel the Suns by paying ({3} magic symbol) ({G} magic symbol) .
Holding priority, activate
Rootha by paying ({2} magic symbol) and returning it from the battlefield to your hand, copying
Channel the Suns.
Resolve the copy of
Channel the Suns, adding ({W} magic symbol) ({U} magic symbol) ({B} magic symbol) ({R} magic symbol) ({G} magic symbol) .
Activate
Sneak Attack by paying ({R} magic symbol) , putting
Rootha from your hand onto the battlefield.
Repeat from step 2.