Mad Scientist Prismatic
On each Revive, you grow large (gaining 30% Adaptive Force and 20% Health) or tiny (gaining 70 Ability Haste and 40% Movement Speed).
Patch 16.21 (PBE) — test-server data, may change before release. Text and values from the game files via CommunityDragon (16.21.8264391+branch.main.content.beta).