
As @ChristopherA said in his review, this card is good if you need additional spells in your combat mage build. Maybe you have a limited collection where you only have Shrivelling or Azure Flame
But if you have a large collection that includes both Shrivelling and Azure Flame, then Shards of the Void should probably only be considered if you're playing a chaos bag manipulation deck. The math indicates that Shards of the Void performs better than Shrivelling and Azure only if you manage to draw at least one "0" token AND you keep at least one token sealed for all the charges.
Here's the math behind my statement.
Shrivelling and Azure Flame give you 4 attacks, at +2 and 2 damage per attack.
If you don't draw a "0" token, Shards of the Void gives you:
- 3 attacks at +2 and 2 damage per attack (if you keep the "0" sealed on)
- and 1 attack at +0 and 2 damage
OR - 4 attacks at +0 and 2 damage per attack (if you immediately spend the "0" sealed)
Verdict: That's worse than level 3 Shrivelling / Azure Flame!
What happens if you only draw one "0" token during all of your attacks with Shards of the Void? Here's the math:
if you keep the "0" tokens sealed on, spending them as your last two attacks:
- 1 attack at +4 and 3 damage
- 2 attacks at +4 and 2 damage per attack
- 1 attack at +2 and 2 damage
- 1 attack at +0 and 2 damage
Verdict: That's better than level 3 Shrivelling / Azure Flame.
OR
if you immediately spend the "0" token, draw one "0" token on your first attack and immediately use it after:
- 1 attack at +2 and 3 damage
- 4 attacks at +0 and 2 damage per attack
Verdict: That's worse than level 3 Shrivelling / Azure Flame.
As others have stated, remember that sealing a "0" token is probably bad for your team, as it removes a good token from the bag. So consider whether this card is providing your team with enough value to be worth the cost of sealing "0" token(s).