First introduced in Wilds of Eldraine, the Adventure mechanic allows players to cast the Adventure half of a card, then later cast the other half from exile once the Adventure resolves
I do like the effect too, where the Primordial Ooze mindlessly attacks, mindlessly grows, and you have to keep pumping mana into it (more mana as it grows, too!) otherwise it'll turn around and attack you
[card]Constant Mists[/card] The buyback is the really appealing part
Weve been talking a lot about tribal cards this week, so it would be absurd to miss out what is, in our opinion, the best tribe of all: Dragons
Most opponents are not gonna risk that kind of blowout a second time, so you end up getting a huge unblockable threat for just one green mana
These have been very popular with collectors, with numbers that have special significance like 1/500 or 420/500 fetching a premium, further tapping into the "unique collectables" market