March of the Machine: Elesh Norn

Vigilance
Whenever a source an opponent controls deals damage to you or a permanent you control, that source's controller loses 2 life unless they pay .
, Sacrifice three other creatures: Exile Elesh Norn, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery.

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The Argent Etchings
Enchantment - Saga
(As this Saga enters and after your draw step, add a lore counter.)
I: Incubate 2 five times, then transform all Incubator tokens you control.
II: Creatures you control get +1/+1 and gain double strike until end of turn.
III: Destroy all other permanents except for artifacts, lands, and Phyrexians. Exile The Argent Etchings, then return it to the battlefield (front face up).