Puresight Merrow Combos
Puresight Merrow + Cryptolith Rite
Puresight Merrow + Earthcraft
Puresight Merrow + Paradise Mantle
Tazri, Stalwart Survivor + Puresight Merrow
Codie, Vociferous Codex + Necrotic Ooze + Puresight Merrow
Combo result
Cast all instants and sorceries in your library with mana value less than spells you cast. Exile your library.
Prerequisites
Necrotic Ooze on the battlefield. All other cards in your graveyard. Necrotic Ooze does not have summoning sickness. You have at least one nonland card in hand. available, plus enough mana to pay for the nonland card's mana cost minus {W}{U}{B}{R}{G}.