The right-hand side of the equation is what we want to solve
When taking an additional combat phase you go through all of the normal steps in a combat phase: Beginning, Declaring attackers, Declaring blockers, Combat damage, and End of combat
From a small sample, Lightning and Psychic Energy appeared the most often (in Gym Heroes it was Lightning Energy, Gym Challenge I did not look at)
Thanks [EDIT] So the SRs probably all have the same pull rate but they differ from HR and UR Assuming similar pull rates across Japanese sets, then taking the Giratina Alt Art from Lost Abyss we would have: 1/0.745 = 1 SR per 1.34 boxes x 16 (16 different SRs you can get) = 1 in 21.5 boxes or 1 in 645 packs
If you cast Sevinne's Reclamation from your graveyard, any abilities that trigger as the permanent card returns to the battlefield will resolve before the copy of Sevinne's Reclamation resolves but after new targets for the copy have been chosen
Unfortunately, Jace is also the one with the power to make it a reality