Magnetic Theft

Attach target Equipment to target creature. (Control of the Equipment doesn't change.)

Granite Grip

Enchant creature
Enchanted creature gets +1/+0 for each Mountain you control.

Enchant creature
Enchanted creature gets +1/+0 for each Mountain you control and has first strike.

First strike, menace, trample
Partner (You can have two commanders if both have partner.)

Double the power of target creature until end of turn.