Dwarven Ring of the Illidrid

Tap 5 dwarf creatures that you control: Destroy
target Basic Land and create 2 Treasure token.
Equipped creature has +{x}/+2, where {x} is
equal to the number of lands you've destroyed
this game. If {x} is equal to {6} or more, equipped
creature gains Trample and Menace.
Equip {3} ({3}: Attach to target creature you control.
Equip only as a sorcery)