digimon cards series 1 Upper Deck Trading (1999) [Your Turn] This Digimon gets +3000 DP. Digimon Ultra Rare Starter Bundle

This effect is very powerful on a commander because of the deckbuilding possibilities and the ability to mess with opponents trying to benefit from those triggers

(2) Once per turn, if you control this Normal Summoned/Set card: You can Tribute this face-up card and 1 face-up non-Tuner with a lower Level, and if you do, Special Summon 1 Synchro Monster from your Extra Deck with a Level equal to difference between those monsters Levels (this is treated as an Synchro Summon), then you can destroy 1 card your opponent controls

I guess if youre a multi-millionaire/billionaire, collecting anything is just a way to spend excess money

Alpha, Beta, Unlimited, Revised, and early expansion cards can vary massively in price depending on the exact version