If it's a creature card with power less than or equal to Grenzo's power, put it onto the battlefield
But if you open these two in your Sealed pool, you're laughing
By inserting Deaths Shadow into this shell, you had a payoff for the life you were losing from your lands, while also being able to abuse free spells like Gitaxian Probe and Mutagenic Growth to pump out your Monastery Swiftspears and help fuel delve
We have to settle for reprints
(6/7/2024) Some triggered abilities that state that you "may pay" a certain amount of describe an effect that happens "If you do." In that case, no player may take actions to try to stop the ability's effect after you make your choice
I believe creature subtypes such as kor and thalakos, or samurai and townsfolk, could all return in their own individual context as nothing more than trinket text for Standard players, but additions to decks ranging from Modern to Commander