This papercraft is Rubick the Grand Magus, the ranged Intelligence hero best known for his ability to copy the spells of his enemies and use them as his own, based on Dota 2 multiplayer online battle arena video game and the stand-alone sequel to the Defense of the Ancients (DotA) mod, the papercraft was created by giijoo.
Spell Steal allows Rubick to cast an enemy hero's most recently used spell, giving him supreme versatility throughout the game. By stealing the right abilities, the Grand Magus can aid himself and allies by casting crippling disables, applying curses, unleashing powerful nukes, disorienting the enemy team, supporting his allies with buffs, escaping from rough situations, or enhancing his own physical attacks. His other abilities are just as worthy of a Magus: Telekinesis lets Rubick magically lift an enemy into the air, rendering the target helpless and vulnerable, before hurling the lifted enemy to the ground and stunning nearby foes on impact. Fade Bolt blasts enemies with a stream of arcane energy which bounces to all enemies nearby, dealing damage and reducing their attack damage. Null Field is a passive aura, which grants himself and nearby allied heroes bonus magic resistance to shrug off magical assaults. Rubick's versatile skill-set and his infamous Spell Steal make the Grand Magus a flexible and powerful hero.
You can download the papercraft model here: Dota 2 - Rubick the Grand Magus Free Papercraft Download