Name:Unesh, Criosphinx Sovereign
ManaCost:4 U U
Types:Legendary Creature Sphinx
PT:4/4
K:Flying
S:Mode$ ReduceCost | ValidCard$ Sphinx | Type$ Spell | Activator$ You | Amount$ 2 | Description$ Sphinx spells you cast cost {2} less to cast.
T:Mode$ ChangesZone | ValidCard$ Card.Self | Origin$ Any | Destination$ Battlefield | Execute$ TrigChangeZone | TriggerZones$ Battlefield | TriggerDescription$ Whenever CARDNAME or another Sphinx enters the battlefield under your control, reveal the top four cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.
T:Mode$ ChangesZone | ValidCard$ Card.Sphinx+Other+YouCtrl | Origin$ Any | Destination$ Battlefield | Execute$ TrigChangeZone | TriggerZones$ Battlefield | Secondary$ True | TriggerDescription$ Whenever CARDNAME or another Sphinx enters the battlefield under your control, reveal the top four cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.
SVar:TrigChangeZone:AB$ Dig | Cost$ 0 | DigNum$ 4 | Reveal$ True | RememberRevealed$ True | NoMove$ True | SubAbility$ DBTwoPiles | SpellDescription$ Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

SVar:DBTwoPiles:DB$ TwoPiles | Defined$ You | DefinedCards$ Remembered | Separator$ Opponent | ChosenPile$ DBHand | UnchosenPile$ DBGrave

SVar:DBHand:DB$ ChangeZone | Defined$ Remembered | Origin$ Library | Destination$ Hand

SVar:DBGrave:DB$ ChangeZone | Defined$ Remembered | Origin$ Library | Destination$ Graveyard | SubAbility$ DBCleanup

SVar:DBCleanup:DB$ Cleanup | ClearRemembered$ True 
SVar:BuffedBy:Sphinx
SVar:Picture:http://www.wizards.com/global/images/magic/general/unesh_criosphinx_sovereign.jpg
Oracle:Flying\nSphinx spells you cast cost {2} less to cast.\nWhenever Unesh, Criosphinx Sovereign or another Sphinx enters the battlefield under your control, reveal the top four cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.