Name:Thought Harvester
ManaCost:3 U
Types:Creature Eldrazi Drone
PT:2/4
K:Devoid
K:Flying
T:Mode$ SpellCast | ValidCard$ Card.Colorless | ValidActivatingPlayer$ You | TriggerZones$ Battlefield | Execute$ TrigExile | TriggerDescription$ Whenever you cast a colorless spell, target opponent exiles the top card of their library.
SVar:TrigExile:DB$ Dig | DigNum$ 1 | ChangeNum$ All | DestinationZone$ Exile | ValidTgts$ Opponent | TgtPrompt$ Choose target opponent
SVar:BuffedBy:Card.Colorless
DeckHints:Color$Colorless
Oracle:Devoid (This card has no color.)\nFlying\nWhenever you cast a colorless spell, target opponent exiles the top card of their library.