misty's favor pokemon card full art Misty TCG Cards & screw it tight Full Art/Misty's Favor (235) 2019

You may want to save it for later turns where you'll have mana to cast the card you exile, or you might want to see all your options first before making your move

Seize the Spoils

Honorable Mention: Training Grounds Training Grounds addresses a different cost players come across in activated abilities

For a single mana, it triggers any leaves the battlefield ability, and you can activate it at instant speed to play around once per turn restrictions on cards like Kishla Skimmer

However, what makes this printing in Double Masters 2022 really cool is that its been downshifted in rarity from uncommon to common, which means its now legal in Pauper