Beginning with the Super Expert rules, monsters of Level 5 or higher require sacrifices to be Summoned
Spell/Trap Cards, and their effects, cannot be activated during the Battle Phase of this turn
Card Draw Initially, this archetype lacked spell casts into cards drawn, like Mesa Enchantress for those or Sram, Senior Edificer for his types
This card plays the role of a lubricant, but since you don't use the effect many times, only 1 copy is included
once a creature or planeswalker is in play it gets far harder for blue to deal with it, which is where the value of cards like Erode and Bitter Triumph comes from
While I'm at it, Pok Ball could be made so that you no longer have to flip a coin, but you have to discard 1-2 cards