Most played cards in Merieke Ri Berit:

3 Decks
Miscalculation
3 copies - 1 average
Mana Leak
3 copies - 1 average
Tolaria West
3 copies - 1 average
Swords to Plowshares
3 copies - 1 average
Watery Grave
3 copies - 1 average
Force of Will
3 copies - 1 average
Urborg, Tomb of Yawgmoth
3 copies - 1 average
Lim-Dûl's Vault
3 copies - 1 average
Negate
3 copies - 1 average
Vindicate
3 copies - 1 average
Duress
3 copies - 1 average
Dismember
3 copies - 1 average
Demonic Tutor
3 copies - 1 average
Council's Judgment
3 copies - 1 average
Forbid
3 copies - 1 average
Dig Through Time
3 copies - 1 average
Supreme Verdict
3 copies - 1 average
Snapcaster Mage
3 copies - 1 average
Sun Titan
3 copies - 1 average
Counterspell
3 copies - 1 average