Sudden Salvation [Innistrad: Crimson Vow Commander]Set: Innistrad: Crimson Vow Commander Type: Instant Rarity: Rare Cost: {2}{W}{W} Choose up to three target permanent cards in graveyards that were put there from the battlefield this turn. Return them to the battlefield tapped under their owners' control. You draw a card for each opponent who controls one or more of those permanents.

If that card's mana value is less than or equal to the sacrificed artifact's mana value

Set: Amonkhet Type: Land — Island Swamp Rarity: Rare ({T}: Add {U} or {B}

you don't need it

So maybe we change

When Scholar of the Lost Trove enters the battlefield

you may put it on the bottom of your library

Set: Alpha Edition Type: Creature — Zombie Rarity: Uncommon Cost: {3}{B} At the beginning of each end step

and three warned of a trap

Set: XY: BREAKthrough Type: Water Rarity: Rare Retreat cost: Colorless

Sacrifice a creature: Reveal a number of cards from the top of your library equal to the sacrificed creature's power

then target player mills a card

I am deathless Llanowar