If you can attack several times with some well-armed creatures, you may just break through your opponents defenses
Cauldron of Souls Cauldron of Souls is a classic Commander card that lets your creatures crawl their way back from the grave, but at a price
Then the process is repeated for cards in hand, except that no cards are revealed until all players have chosen what to discard, at which point those cards are all discarded simultaneously
Briber's Purse Chamber Sentry Chimeric Mass Clown Car Endless One Engineered Explosives Phyrexian Marauder Shifting Wall Sigil of Distinction Stonecoil Serpent Ugin's Conjurant
Ive managed to sell tons of unopened Secret Lairs, as well as random things like stacks of foil lands, full-arts, etc
These launchers allowed for some interactivity like the Rev-tops, giving them a bit more to the toy over just being something to hold