For my tastes, as guidelines I think are worth sticking to, a keyword mechanic needs to be doing offloading in the rules text that makes things more convenient , it needs to have human-understandable reminder text that isnt just the rules text written out, and it needs to be something that other things can usefully reference
Others still find horror in a particular scene from Pee-Wees Big Adventure
As if that weren't enough value, any multicolored spells you've discarded can be brought back with Jareds third ability
If you optimize for cEDH and Commander brackets 4 or 5, it is hard to do better than this Double Masters 2022 prize card
In the same way, Gaea's Cradle is used to generate for each creature you control
[But] there's no shortage of people buying expensive Magic cards even in this economic climate