Cyrus's Initiative
Supreme Victors #137
Formats
Tournament formats
not legal
not legal
not legal
not legal
Block formats
not legal
not legal
not legal
not legal
not legal
legal
not legal
Historic formats
not legal
not legal
not legal
not legal
not legal
not legal
not legal
not legal
not legal
not legal
not legal
legal
not legal
not legal
not legal
not legal
not legal
not legal