Untap, upkeep, Draw, attack with the War Machine, Pendrell Flux the Defender, play Wizard Mentor (taking 1), Done.
Spidey
Life: 13
Cards in Hand: 3
Cards in Play:
(T) Mt
(T, T, T, T) Islandx4
(T) Thran War Machine (4/5, echo, must attack if able)
(U) Wizard Mentor (2/2, T: return ~ and target creature I control to owners hands)
Graveyard: Goblin Patrol, Blasted Landscape, Shivan Raptor
RFG:
train
Life: 16
Cards in Hand: 4
Cards in Play:
(U) Mountain
(U) Island
(U) Island
(U) Plains
(T) Defender of Law (2/1 pro red, enchanted with Pendrell Flux (at beginning of upkeep, sac ~ unless you pay its mana cost))
(T) Viashino Weaponsmith (2/2, when blocked, +2/+2 for each creature blocking it.)
Aether Sting - Whenever an opponent plays a creature spell, aether sting deals one damage to that player.
Graveyard: Scent of cinder, Academy Rector
RFG: