This means that they can then only tap for Red mana - and if your opponent doesnt even have Red in their deck, it could well win you the game on the spot
What affects the value of Ugin's Mastery
Its cheap, its effective, and both Dimir and Orzhov decks wont be bothered by the life swing too much
Having a Doubling Season on a stick that's also a legendary stick opens so many options that the mind is boggled
The second packet contains five 20-card themed half-decks (Firebending, Earthbending, Big Creatures, Counters, and Attacking)
Build up your Energy counters quickly over two turns while delaying your opponent, before spending the Energy to play a powerful card for free