This is best in the decks most focused on speed but I think that it is bad enough on average and sufficiently polar in performance to really only be something you want as a sideboard option
A very quick glance at Prismatic Evolutions listings showed me booster packs, which have an RRP of around 5.50 when taken from an ETB, selling for 11 a time, showing the severity of the problem
OP06-116 Reject The "deal 1 damage to your opponent" effect of this card greatly improves the ability of decks containing yellow cards, which often feature [Trigger] effects, to deal finishing blows
You can use the delve ability to reduce the cost of Tasigurs Commander Tax as well, keeping you in the game longer
Key Features: Card Name: Diglett
You can use this card only if any of your Team Rocket's Pokemon were Knocked Out during your opponent's last turn.Each player shuffles their hand into their deck