Ungraded & graded values for all Magic FDN Magic Cards
In the latter two, the prowess two-drop is the main appeal, with disguise being a pleasant upside
This can be before blockers are declared, after blockers are declared but before combat damage is dealt, during combat after combat damage is dealt, during the postcombat main phase, during the end step, or, in some unusual cases, during the cleanup step
Sagas in Sigurd's colors that work especially well with this effect include Elspeth Conquers Death, Fable of the Mirror-Breaker, and There And Back Again
This isnt a Vintage or even Legacy Cube-caliber card, but it does strike me as an intriguing option for Cubes as lower power levels