pokémon - trading card game: hydreigon ex Pokemon TCG: & Dragapult ex Premium Collection Heavily Played cards can also have flaws that impact the integrity of the card Hydreigon ex | White Flare

The general claim is that running the extra card reduces your chances of drawing specific, important cards in your deck, and therefore is bad for your overall results

And of course, in older formats it gets busted pretty fast

Avatar: The Last Airbender had Badgermole Cub

Rundvelt Hordemaster Goblins, goblins everywhere, but not a drop to drink

4 Boon Of Safety A one mana instant speed spell that not only counters removal but provides a scry trigger as well sounds like gravy to us

When you exile another card to imprint an ability onto your permanent, the possibilities of what that card can do are virtually limitless simply because there are so many unique cards in Magic