How it works
Prerequisites
- There are legal target(s) for Justiciar's Portal.
Steps
- 1Cast Justiciar's Portal by paying its mana cost.
- 2Holding priority, cast Dualcaster Mage by paying its mana cost.
- 3When Dualcaster Mage enters, it triggers, copying Justiciar's Portal, with the copy targeting Dualcaster Mage.
- 4Resolve the copy of Justiciar's Portal, blinking Dualcaster Mage.
- 5Repeat from step 3.
Commander brackets
In which brackets is this combo allowed, per Spellbook's Exhibition tier?