"The second mage learned to dissipate blasts of lightning. Threat and response: thus did the study of magic progress."
—Naban, dean of iteration

Wizard's Retort

This spell costs {1} less to cast if you control a Wizard.
Counter target spell.

The List

Jumpstart

Dominaria

Once you announce that you’re casting Wizard’s Retort, no player may take other actions until the spell’s been paid for. Notably, players can’t try to raise the spell’s cost by removing your Wizards.