Most played cards in Power Monolith:

1 Decks
Volcanic Island
4 copies - 4 average
Transmute Artifact
4 copies - 4 average
Serendib Efreet
4 copies - 4 average
City of Brass
4 copies - 4 average
Basalt Monolith
4 copies - 4 average
Power Artifact
4 copies - 4 average
Fireball
3 copies - 3 average
Icy Manipulator
3 copies - 3 average
Power Sink
3 copies - 3 average
Jayemdae Tome
2 copies - 2 average
Fellwar Stone
2 copies - 2 average
Shatter
2 copies - 2 average
Blood Moon
2 copies - 2 average
Mana Vault
2 copies - 2 average
Red Elemental Blast
2 copies - 2 average
Shivan Dragon
2 copies - 2 average
Sol Ring
1 copies - 1 average
Rocket Launcher
1 copies - 1 average
Time Walk
1 copies - 1 average
Wheel of Fortune
1 copies - 1 average