Cast Scrollshift by paying {2}{W}, targeting any artifact, creature or enchantment you control.
Holding priority, cast Dualcaster Mage by paying {1}{R}{R}.
When Dualcaster Mage enters the battlefield, it triggers, creating a copy of Scrollshift targeting Dualcaster Mage.
Resolve the copy of Scrollshift, blinking Dualcaster Mage and causing you to draw a card.
Repeat from step 3.

Infinite card draw

Infinite draw triggers

Near-infinite ETB

Near-infinite LTB

Near-infinite magecraft triggers

Dualcaster Mage

Scrollshift

Cast Scrollshift by paying {2}{W}, targeting any artifact, creature or enchantment you control.
Holding priority, cast Naru Meha by paying {2}{U}{U}.
When Naru Meha enters the battlefield, it triggers, creating a copy of Scrollshift targeting Naru Meha.
Resolve the copy of Scrollshift, blinking Naru Meha and causing you to draw a card.
Repeat from step 3.

Combos with "Scrollshift"