He gets to draw my card each time it is my turn
Unyielding Gatekeeper lets you exile another nonland permanent when its turned faced up
If the spell is countered or otherwise fail to resolve, any cards you spliced onto it remain in your hand
The more choke cards you stack, the more effective they become, so he's often played with those two cards, as well as Aragorn, Heir to the White City (3R38) , Consorting With Wizards (2R97) , Sting (1R313) , and occasionally Galadriel, Lady of Light (1R45) and Gimli, Dwarf of the Mountain-race (2P121)
Castle Garenbrig and Nykthos, Shrine to Nyx are excellent mana ramp lands thatll let you pump out creatures early and keep that pace up as you keep drawing cards
The new Siege-Gang Commander