Time Warp is an uncollectible card generated by the Open the Waygate mage spell in Hearthstone. The flavor text for Open the Waygate reads, "Although powerful, the incantation is simple. It's just a jump to the left, and then a step to the right," in reference to the song "Time Warp."
Patch 9.0.1 (2020-10-13): Now learned at level 49 (was 80).
Patch 7.1.0 (2016-10-25): Now learned at level 80 (was 65).
Patch 7.0.3 (2016-07-19): Reworded tooltip to increase Haste. Now learned at level 65 (was 84).
Hotfix (2012-12-05):Fixed an issue that could prevent Bloodlust, Heroism, [Ancient Hysteria], and Time Warp from taking effect when cast simultaneously with another, similar, effect.
Patch 5.0.4 (2012-08-28): Now learned at level 84 (was 85).
Patch 4.0.6 (2011-02-08): Bloodlust, Heroism, Time Warp and Ancient Hysteria can no longer be cast while in Arenas.