End of turn i'll flash in a Quick Sliver.
Untap, upkeep, Goblin Lookout, done.
Edit: 4 creatures in play, 1 in GY, i presume your hand total should be 10?
Ransac: 20
Hand: 10
In Play:
(TT) Island x2
(U) Forest
(T) Mountain
(U) Plains
(T) Keeneye Aven (2/3, flying)
(U) Defiant Elf (1/1, trample)
(U) Face-Down Dude#1 (2/2)
(S) Face-Down Dude #2 (2/2)
Graveyard: Fugitive Wizard
RFG:
Modus Pwnens: 16
Hand: 10
In Play:
(U) Swamp
(T) Island
(T) Mountain
(U) Plains
(U) Forest
(U) Aven Envoy (0/2, flying)
(U) Face-Down Dude (2/2)
(U) Quick Sliver (1/1, Flash, Any player may play Sliver cards as though they had flash.)
(S) Goblin Lookout (1/2, T, sacrifice a goblin: All goblins get +2/+0 until end of turn.)
Graveyard: Blood Celebrant
RFG: