Untap, Upkeep, Forest, Attack with Griffin (I'm assuming no blocks or effects.), Thresher Beast. Done
Ransac: 19
Hand: 11
In Play:
(TT) Plains
(TU) Mountain
(TT) Forest
Chimeric Idol (0: Tap all lands you control. Chimeric Idol becomes a 3/3 Turtle artifact creature until end of turn.)
(U) Diving Griffin (2/2, flying vigilance)
(S) Thresher Beast (4/4, Whenever Thresher Beast becomes blocked, defending player sacrifices a land.)
Graveyard: Glittering Lynx
RFG:
Mooseman: 15
Hand: 11
In Play:
(T) Plains
(TT) Island
(T) Swamp
(T) Mountain
(T) Forest
Chimeric Idol (0: Tap all lands you control. Chimeric Idol becomes a 3/3 Turtle artifact creature until end of turn.)
(U) Marsh Boa (1/1, Swampwalk)
(U) Death Charmer (2/2, Merc Whenever Death Charmer deals combat damage to a creature, that creature's controller loses 2 life unless they pay 2.)
Graveyard: Spur Grappler, Calming Verse
RFG:
Ransac, cpa trash man