The downside that others have brought up, though, lies with the fact that these cards arent Standard legal
If this strategy gets into the long game, then include a card like Raise the Past and get right back to attacking
As you achieve minor weekly quests, such as inflicting X amount of damage or casting X number of spells of a certain color, you earn in-game gold that can be spent on slowly acquiring more booster packs, which you can open to earn a handful of randomly-generated cards
Voltron damage is also supported by Kellan, the Fae-Blooded and Bruenor Battlehammer, who enable hard-hitting turns with double strike and power boosts
Only some of the cards were available as promotional releases
Look for this to be one of the sets breakout casual cards with some serious long-term potential