How it works
Prerequisites
- There is a creature on the battlefield.
Steps
- 1Cast Blue Sun's Twilight by paying , targeting a creature.
- 2Holding priority, cast Dualcaster Mage by paying .
- 3When Dualcaster Mage enters the battlefield, it triggers, copying Blue Sun's Twilight, targeting Dualcaster Mage.
- 4Resolve the copy of Blue Sun's Twilight, creating a token copy of Dualcaster Mage.
- 5Repeat from step 3.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Core tier?