It doesn't really cripple or disrupt the strategy, and one-for-one trades aren't exciting as sideboard cards
Sun Titan can be blinked, reanimated, or Voltroned, and all of those are good combinations
Purchases not removed within 30 days become property of QW
Selective group hug effects only benefit a chosen opponent, and, in my humble opinion, these effects are far more fun to play
Mechanics and Abilities: The transformed side of the card can have different abilities, power and toughness (if it's a creature), and effects from the original side
Builders Talent then provides small, steady buffs whenever your Creatures enter, and with a hefty investment of 4W, returns a specific card from your grave directly to the field