make sure duplicate set abbreviations are removed

Constantin Wenger

2019-08-13 85506b439f7d04b6e3aec347e373ea9f1a673282

1
2
3
4
5
6
7
8
9
10
Cyclonic Rift
Force of Will
Frantic Search
Island
Izzet Charm
Mountain
Ponder
Snapcaster Mage
Sol Ring
Steam Vents