Dragonrazer

Equipped creature is a Hunter in addition to its
other creature types.
Equipped creature has "{5}{t}: Put a fuel counter
on Dragonrazer" and "{7}{t}: Remove 2 fuel
counters from Dragonrazer deal 7 damage to
target creature, if that creature is an Elder
Dragon deal 12 damage to that creature instead,
tap that creature it doesn't untap during it
controllers untap step."
Equip{5}