Theyre already free value since they just happen, so making it happen multiple times in a turn is key to making the most of the mechanic
Having been printed in Modern Horizons, the Temur Footfalls deck is essentially based around casting one of the three-drop cascade spells to find the zero-mana suspend spell, which circumnavigates the suspend ability and leaves you with two 4/4 rhinos immediately
Tapping it to give all your creatures haste, and it's a standard 2-mana 0/4 blocker
In Commander, this works amazingly well with cards like Windfall that can create tons of triggers off each of your opponents
It allows you to build up your digital collection at the same pace as your physical one, and entire formats on TCG Online were built around the codes you got from the preconstructed decks
While Pokemon have been featured in gorgeous pieces of cardboard, a lot of value is also found in Pokemon Trainer cards, specifically Supporter Trainer cards