Then people move on to the next generation because once you've gone through Jungle, Base, and Fossil, you pretty much have one copy of every [first-generation] Pokmon
It also provides a competitive edge by returning target cards to your opponent's Inkwell face down
There are actually two parts to the checklist
If you're using a Pokmon type calculator or referencing an effective Pokmon chart, knowing which generation youre in matters
For example, Water monsters will always beat Fire ones regardless of whether the Fire monster has higher stats than the other
Coming down as a hasty 5/5 for means you can deal some damage right away, but its the random options that can truly swing a game: putting three +1/+1 counters on target creature, putting a shield counter on target creature and gaining three life, or fighting another target creature a foe controls