I tried to find a use for Shard of Void since I find it a quite interesting card.
The idea is simple: Keep the enemies Quanta low, absorb some dmg with SoF + Gravity Pull while SoV reduces enemies HP to 1.
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I'd use at least one more SoV for the steals if I had more.
The deck works quite ok vs. AI3, but is obv a bad farmer since TTW are somewhere about 17. I could imagine this in PVP too with some tweeks, but I dont play PvP myself so I'm not going to test it there.
Cons:
Problems I faced most are too heavy CC and the extremely slow start. You can't do much before turn 3, which is terrible for a Quanta denial. The whole matchup is quite fragile, you cant really recover from losing more than 1 copy of any creature.
PC another thing to be careful about. I didnt have any problems here so far, but you have to keep an eye on enmies mana.
Pros:
If you get the whole thing started, the enemy cant do very much more. The dmg you deal can only be healed with SS or SoD.
I didnt find any similar decks with Gravity, so I decided to share it here.
Suggestion are very welcome.