magic: the gathering edge of eternities - play booster box EOE all brought to life through immersive gameplay and stunning card design Wizards of The Coast Magic:

"Compleat" your collection with the finest cards the Phyrexians have at their command

Normal Magic decks will naturally create inefficient moments where you spend a three-damage spell on a one-toughness creature, so you need to force energy decks to deal with some occasional inefficiency by design

If the opponent takes 4 moves to check you, but you take only 3 moves to check them, then you have the tempo advantage

While it may seem a bit complex, theres a comprehensive disclaimer explaining it

This is great when youre really on the last straw of the game and need just a few more life points to pull it all together