I'll activate healer by sacrificing a mountain to prevent 2 dmg to my elephant.  You take 1 from the Elephant.  Hopefully I won't need all these lands I'm pitching...  
 
Play Windscouter
Done.
BigBlue:  19
Hand: 8
In Play
(T) Island
(T) Mountain
(TT) Forest
(T) 
Spiketail Hatchling (1/1; Flying; Sac ~: Counter target spell unless it's controller pays 1)
(U) 
Troubled Healer (1/2; Sac a land: Prevent the next 2 dmg to target creature or player)
(U) 
Keldon Berserkers (2/3; When ~ attacks, if I control no untapped lands it gets +3/+0 until eot)
(T) 
Vintara Elephant (4/3; Trample; 3: ~ loses trample until eot - any player may play this ability)
(S) 
Windscouter (3/3; Flying; Return ~ to owner's hand at end of combat if it attacked or blocked)
Graveyard: 
Plains, Glittering Lynx, Well of Life, Swamp, Mountain
RfG:
------------------------------------
Mooseman:  8 6?
Hand: 9
In Play
(TT) Plains
(UU) Island
(T) Swamp
(T) Mountain
(T) Forest
Rhystic Deluge (U: Tap target creature unless its controller pays 1.)
(U) 
Glittering Lynx (1/1; Prevent all damage to ~; 2: ~ loses "Prevent all damage to ~" until eot, any player may play this ability)
(S) 
Vintara Elephant (4/3; Trample; 3: ~ loses trample until eot - any player may play this ability) Dead?
Graveyard: 
Steal Strength, Abolish, Silt Crawler, Vintara Elephant
RfG: