Most played cards in Hammer:

1 Decks
 ↓ Snow-Covered Plains
7 copies – 7 avg
↓ Esper Sentinel
4 copies – 4 avg
↓ Ancient Den
4 copies – 4 avg
↓ Ornithopter
4 copies – 4 avg
↓ Puresteel Paladin
4 copies – 4 avg
↓ Stoneforge Mystic
4 copies – 4 avg
↓ Steelshaper's Gift
4 copies – 4 avg
↓ Colossus Hammer
4 copies – 4 avg
↓ Mox Opal
4 copies – 4 avg
↓ Leyline of Sanctity
4 copies – 4 avg
↓ Ethersworn Canonist
4 copies – 4 avg
↓ Urza's Saga
4 copies – 4 avg
↓ Sigarda's Aid
4 copies – 4 avg
↓ Mana Tithe
3 copies – 3 avg
↓ Inkmoth Nexus
3 copies – 3 avg
↓ Karakas
2 copies – 2 avg
↓ Swords to Plowshares
2 copies – 2 avg
↓ Umezawa's Jitte
1 copies – 1 avg
↓ Lion Sash
1 copies – 1 avg
↓ Shadowspear
1 copies – 1 avg