Dualcaster Mage | Blue Sun's Twilight

Cards

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

Cast
Blue Sun's Twilight by paying ({5} magic symbol) ({U} magic symbol) ({U} magic symbol) , targeting 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
Blue Sun's Twilight, targeting
Dualcaster Mage.
Resolve the copy of
Blue Sun's Twilight, creating a token copy of
Dualcaster Mage.
Repeat from step 3.

This combo has been estimated to be Core (Bracket 2+).