You pick one as you play/cast it, and thats the side the card sticks to while its in play
To make better use of the heal mechanics with reducing strength, think about Vanellope von Schweetz Sugar Rush Princess and Vanellope von Schweetz Candy Mechanic as a Shift target that does the same
Your basics should be a Mountain, Forest, and Island in order to play Gateway Sneak, Gates Ablaze, and Gatebreaker Ram on time
4 Flusterstorm No One Is Having A Good Time Keeping a counterspell up to protect your game-winning play is vital in plenty of decks, and if that combo involves casting more than a few spells, it might be worth your while to play a few copies of Flusterstorm in your list
Seven life for only two mana is almost assuredly more efficient than whatever the opponent is going to bring to bear at four-for-three mana or wherever
Look at all the madness cards at common