2x rare, super rare, or legendary cards
If you want to pay 7 life to activate Griselbrand, but your life total is 6, you don't have enough life to pay the cost
At first glance, getting to play two different types of cards from the top of your library and double their triggers seems amazing
Archaeomancer's Map is another card that ramps for you, and it finds you some lands to make sure you make land drops to boot
In looking over the deck lists, one of the decks in particular jumped out at me as being particularly synergistic and primed for easy upgrades
Its not always easy to tell the difference between a character, item, and action at a glance, and youll have to squint to read the cards thin middle text bar to figure it out