Dualcaster Mage | Black Sun's Twilight | Bloodflow Connoisseur

Cards

({6} magic symbol) ({B} magic symbol) ({R} magic symbol) ({R} magic symbol) available.

Cast
Black Sun's Twilight by paying ({5} magic symbol) ({B} magic symbol) , optionally choosing to target a creature.
Holding priority, cast
Dualcaster Mage by paying ({1} magic symbol) ({R} magic symbol) ({R} magic symbol) .
When
Dualcaster Mage enters the battlefield, it triggers, copying
Black Sun's Twilight, optionally choosing to target a creature.
Holding priority, activate
Bloodflow Connoisseur by sacrificing
Dualcaster Mage, putting a +1/+1 counter on it.
Resolve the copy of
Black Sun's Twilight, giving up to one creature -5/-5 until end of turn and returning
Dualcaster Mage from your graveyard to the battlefield.
Repeat from step 3.