Yet, the question remains: is it stronger than World Breaker or Sire of Seven Deaths
While this ability is the most clearly weaker than Ajani Vengeant of all of his abilities, it is this ability combined with the ability to make mana that I think really makes the card
You also receive a set number of wildcards of various rarities, which can be redeemed to purchase specific cards, and you seem to be able to get more by accomplishing some of the games weekly objectives
The ability to create and manage multiple 'sets' is ideal for organized collectors who want to track different parts of their collection separately
Since cards with infect care about the amount of damage you do, being able to swing twice with them lets you give a ton of poison counters to your opponent with just one attack
Card Set(s) -ONE PIECE CARD THE BEST vol type, up to 1 of your Leader or Character cards gains +4000 power during this battle