Edited to show the mountain I played last turn.
Untap, Upkeep, Chartooth Cougar (reattaching the dragon enchantments to him). Attack with Kite. Block/Response?
Ransac: 20
Hand:11
In Play:
(T) Island
(T) Plains
(T) Forest
(T) Swamp
(T,T) Mountain x2
Dragon Scales (Enchanted creature gets +1/+2 and has vigilance. When a creature with converted mana cost 6 or more comes into play, you may return Dragon Scales from your graveyard to play attached to that creature.)
Dragon Fangs (Enchanted creature gets +1/+1 and has trample. When a creature with converted mana cost 6 or more comes into play, you may return Dragon Fangs from your graveyard to play attached to that creature.)
(U) Mercurial Kite (2/2, Flying, Whenever Mercurial Kite deals combat damage to a creature, tap that creature. It doesn't untap during its controller's next untap step.)
(S) Chartooth Cougar (6/7, vigilance, trample R: Chartooth Cougar gets +1/+0 until end of turn. Mountaincycling 2) Fanged and Scaled
Graveyard:
RFG:Treetop Scout
Moosie Poo: 10
Hand: 12
In Play:
(T) Plains
(TT) Swamp
(T) Island
(U) Mountain
(U) Mercurial Kite (2/2, Flying, Whenever Mercurial Kite deals combat damage to a creature, tap that creature. It doesn't untap during its controller's next untap step.)
Graveyard: Death's-Head Buzzard, Carbonize
RFG:
Ransac, cpa trash man