are all pokemon cards the same size Evolution of Trading Card Sizes: From Classic to Modern – EVORETRO Canada Pokémon Card Dimensions: Size, Height

In general, looting a card back to the top of your deck is worse than discarding a card (since you can't take advantage of any graveyard synergies), which means the +1 is only powerful with a very narrow subset of cards (things like Miracles)

Building a split rewards massive card advantage and combat potential

While our commander is very powerful and can draw us absurd amounts of cards if she sticks around, the deck can function fine without her

Yuna grants all ally enchantment creatures Lifelink, Trample, and Ward

Perfect for sacrifice decks, especially when combining Experimental Confectioner with cards that make expendable tokens