While each of the modes arent the most exciting on their own, having access to all of them on one card is pretty incredible
Slashing Legends Tin [Zacian Ex] Pokemon Promo Keep track of your collection value over time
Harmonic Sliver and Necrotic Sliver can turn your slivers into powerful removal
This menacing shadow holding two sharp weapons with crazy eyes and a terrifying grin seems to have come from some evil Halloween cartoon
Apart from the issue of some cards not having playable substitutes, the other reason I tend to dislike this advice is that part of what makes formats like Commander fun is the diversity that they offer, and this diversity is built, in part, on players being able to access and play with weird, old, nostalgic cards that don't really see play in other formats
You know when youre in a pod with your buddy, and it feels like collusion to team up with them or betrayal to attack them