Plunge into Darkness [Fifth Dawn] SL3 You can't choose the same

You can't choose the same card twice

Set: Black & White: Next Destinies Type: Water Rarity: Ultra Rare Retreat cost: Colorless

Set: Kaladesh Prerelease Promos Type: Artifact Creature — Construct Rarity: Mythic Cost: {3}{G}{G} Trample

you may play Snapback as though it were an instant

yet never once found the place where the buildings fail

Plunge into Darkness [Fifth Dawn] SL3 You can't choose the sameSet: Fifth Dawn Type: Instant Rarity: Rare Cost: {1}{B} Choose one Sacrifice any number of creatures. You gain 3 life for each sacrificed creature. Pay X life, then look at the top X cards of your library. Put one of those cards into your hand and exile the rest. Entwine {B} (Choose both if you pay the entwine cost.)