Edgar, the ultra-rare variant printrun of Revised Edition from 1994
In essence, if the creation of set boosters back in Zendikar Rising was to better appeal to both types of pack-openers (limited players and gambling addicts collectors), then the reuniting of the two pack types can be described as appealing to both type of pack openers while reducing confusion and inventory issues
This was one of those cards that a lot of decks were on the edge of playing, either because they couldn't quite get threshold reliably or they didn't want to splash one of the colors, inviting them to play a high-risk but high-reward game with their mana bases that both cost them games and won them games they had little right to win
Its not hard to engineer combo wins with this ability, so dont underestimate it across the table
The Set Booster and Draft Booster are being combined into a new type of booster we're calling the Play Booster
Wakka, Devoted Guardian* Wakka here is ready to engage in combat and toss the blitzball around at enemies, using it to destroy artifacts or enchantments to help train the team