While these letters change depending on the deck, it's a safe bet to collect any black-starred cards you find
Four of these in a sideboard could be great against Tron, Affinity, and lately, Eldrazi
Blast From The Past This green, white, and blue deck takes from the classic era of the show, bringing together the first eight Doctors, their companions, and enemies we haven't seen in decades
This allows players to build up their forces early on in the game to either attack sooner or defend until they draw their higher cost cards along with building up the mana they need to play them
Creatures you begin to control later in the turn wont get +X/+X
This attack would be incredibly strong if you could build a deck around consistently putting the opposing Pokemon to sleep