For each face-up Synchro Monster your opponent controls, you draw 2 cards from your Deck
Box Condition Clues Even under fresh shrink wrap, the box itself can reveal tampering: Perforated opening tab : If the box has already been opened, the perforated dotted line along the top will show creasing or separation
Magic has an intrinsic expectation that you will have access to one more mana with each subsequent turn, and breaking that expectation is extremely powerful
However, if instead the creature's power is increased to 4 or greater after the ability resolves, it still can't be blocked that turn
I don't know how good this guy actually is, but on turn four, you can play a three-drop for three mana, then a second three-drop for one mana