Dualcaster Mage | Blue Sun's Twilight

Cards

Dualcaster Mage and
Blue Sun's Twilight in hand.
A player controls a creature with mana value five or less.
({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 any creature with mana value five or less.
Holding priority, cast
Dualcaster Mage by paying ({1} magic symbol) ({R} magic symbol) ({R} magic symbol) .
Dualcaster Mage enters the battlefield, creating a copy of
Blue Sun's Twilight, targeting
Dualcaster Mage.
Resolve the copy of
Blue Sun's Twilight, creating a token copy of
Dualcaster Mage.
The
Dualcaster Mage token enters the battlefield, creating a copy of
Blue Sun's Twilight, targeting
Dualcaster Mage.
Repeat from step 4.