Arid Mesa - [Foil] Zendikar Expeditions (EXP){T}, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

Venand Kapur—known as the Gearherder—built this automaton to keep watch over his clockwork herds

Shatterskull Pass is a pretty distant second

Harness the power of rage with Vrondiss

" —Mystic elder

The more victims he kills

Equipped creature gets +3/+2

and extras you need when you’re ready to play

and they have one true form

Activate only once each turn

) When Shriekmaw enters the battlefield

1 display Commander card

) Other creatures you control have trample