You probably should put the Curse on the battlefield 
 
 
Put a charge ctr on the Droplet from combat.
 
Untap, upkeep - remove a charge ctr from the Droplet to gain a life, gain 2 life from Orolo, Draw
 
Arg.  Seriously, I shuffled the cards in Excel like 20 times.  Where's the frickin' mana?
 
Done
 
Spidey: 50
Damage dealt from commander: 0/21
Hand: 7
Library: 88
Command Zone: 3WUB 
Oloro, Ageless Ascetic (4/5; At the beginning of my upkeep, I gain 2 life.; Whenever I gain life, I may pay 1. If I do, draw a card and each opponent loses 1 life.; At the beginning of my upkeep, if ~ is in the command zone, I gain 2 life.)
Battlefield:
 
(U) Azure Chancery (~ ETB tapped.; When ~ ETB, return a land I control to its owner's hand.; T: Add WU to my mana pool)
(U) Skipjack Pasture (T: Add 1 to my mana pool.; 4, T: Put a 0/1 white Goat creature token onto the battlefield.; T, Sac X Goats: Add X mana of any one color to my mana pool. I gain X life.)
 
(U) 
Sun Droplet (Whenever I'm dealt dmg, put that many charge ctrs on ~.; At the beginning of each upkeep, I may remove a charge ctr from ~. If I do, I gain 1 life)
(U) 
Crawlspace (No more than two creatures can attack me each combat)
 
Graveyard:
Exile:
=======================================================================
Mooseman: 42
Damage dealt from commander: 0/21
Hand:
Library: 87
Command Zone: GWU 
Derevi, Empyrial Tactician (Legendary Bird Wizard. 2/3, Flying. Whenever ~ enters the battlefield or a creature you control deals combat damage to a player, you may tap or untap target permanent. {1}{G}{W}{U}: Put Derevi onto the battlefield from the command zone. )
Battlefield:
 
(U) Plains
 ~Roosted~
(T) Forest
(T) 
Sol Ring (T:2)
(T) 
Simic Signet ( 1, T: GU )
(T) Opal Palace (T: Add {1} to your mana pool. 
1T: Add to your mana pool one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters the battlefield with a number of +1/+1 counters on it equal to the number of times it's been cast from the command zone this game. )
(T) Azorius Chancery (ETB Tapped. When Azorius Chancery comes into play, return a land you control to its owner's hand.T: Add WU to your mana pool. )
(T) 
Azorius Keyrune (T:W or U)
 
Leafdrake Roost (, EL, Enchanted land has "{G}{U}, {T}: Put a 2/2 green and blue Drake creature token with flying onto the battlefield." )
 
(T) 
Farhaven Elf (1/1, When Farhaven Elf comes into play, you may search your library for a basic land card and put it into play tapped. If you do, shuffle your library.)
(S) 
Drake Token (2/2, Flying)
 
Graveyard:
Exile: