It is basically just a worse version of Geodude
He is a healer too, so if that switch should include an ex going to your bench, they are healed 80 damage (pictured below) Also, Frogadier has an unsettling smugness to him, and we would be remiss if we didn't mention that too (pictured below)
[All Turns] When attack targets change, by suspending this Tamer, for the turn, your opponent's Digimon's effects don't affect 1 of your Digimon with [Greymon] in its name or the [CS] trait and it gets +3000 DP
This is because scarcity creates demand, and when collectors are vying for the same rare card, its price naturally increases
I still expect it to bottom out at $0.50 before long, but it has some long-term potential due to how unique and flavorful it is
At the time mill decks tended to be mono-blue or white-blue and were all about controlling the environment, using milling as a win condition once control was established