mtg march of the machines serialized cards Elesh Norn (Serial Numbered) - Machine Umori, the Collector - Foil

Both have an eternal keyword

Thawing Glacier is also good for reducing the luck required in the rebuild phase

1 Szat's Will

Its a bit of insurance if your hand doesnt have too much gas but you still really need to take out the threats that are currently in play

7 Thassa, Deep-Dwelling Blink In Blue One of the better Theros gods to come from Theroes Beyond Death, Thassa Deep-Dwelling comes with a consistent ability that might not be catered to removing finality counters but does a fantastic job at doing so

If the affected permanent gains an ability after Unable to Scream becomes attached to it, it will keep that ability