This gives a better chance to trade blows and really test the mettle of a deck, allowing for slower-paced, slightly more strategic games
The prime example of this would be a Twin deck that maindecks Dispel, which is effectively a 1 mana hard counter against many Burn spells, but is also useful against tons of other decks when the Twin pilot is protecting their combo
However, those curious only need to look at the dominance Arceus VSTAR has had in the Pokmon TCG to get a sense of its power
You can tap him to create a 1/1 red Goblin token for every Goblin you already control
Pokmon cards show the set symbol and number at the bottom, which makes them easy to sort this way
Green and White just have a serious attachment to high quality creatures, and you will see a bunch more pro-creatures cards below