commander 2021 booster box Magic: The Gathering - March of the Machines Deluxe Bundle – Growing Threat sleeved with top loader Commander 2021 - Set of

Once per turn, if another face-up "PSY-Frame" card you control leaves the field (except during the Damage Step): You can Special Summon 1 "PSY-Frame" monster from your hand

This is generally a last resort, because while it's nice to get a free healing potion out of it, you might also wind up with a potion of poison or mutation

Seize Opportunity The perfect kind of flexible card to copy in decks that Flurry or Storm

Address/residency requirements are actually pretty common in these sorts of quasi-contractual promotions and events, wherein there needs to be some sort of localized legal framework for agreements like this, where if you win competition you get some sort of prize or eligibility privilege