Memory Deluge

What separates this from the fixed-depth blue selection spells is that the digging scales with mana spent: cast it off four lands and you look at four cards to find your best two, but flood the game out and it becomes a genuine hand-refuel that sifts the top of the deck for the strongest pair. That single decision (X equals mana spent, not a printed number) is what lets a four-mana instant earn a graveyard second use. And note the wording: it puts two cards into your hand rather than drawing them, so it slips past the punishers and restrictions that key off the draw step. The flashback cost is deliberately steep because the effect was never meant to loop cheaply; it buys the same dig back exactly once, at a price that only pays off when you have the mana to make it deep. Both halves trade quantity for selection: you look, then choose, so the spell is measured on card quality rather than count. The random-bottom clause quietly matters too, denying you the library-stacking a scry would allow. Blue has had scaling selection before, but folding a full graveyard recast into one instant is what gives the card its shape: one flexible cantrip-plus early, a second, costlier one whenever the game runs long enough to want it back.