Jill, Shiva's Dominant

When Jill enters, return up to one other target nonland permanent to its owner's hand.
3UU, T: Exile Jill, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery.
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Shiva, Warden of Ice
(As this Saga enters and after your draw step, add a lore counter.)
[I][II] Mesmerize — Target creature can't be blocked this turn.
[II] Cold Snap — Tap all lands your opponents control. Exile Shiva, then return it to the battlefield (front face up).