Aetherflux Reservoir [Kaladesh Prerelease Promos]Set: Kaladesh Prerelease Promos Type: Artifact Rarity: Rare Cost: {4} Whenever you cast a spell, you gain 1 life for each spell you've cast this turn. Pay 50 life: Aetherflux Reservoir deals 50 damage to any target. While most power is used for ordinary, everyday tasks, one shouldn't underestimate its potential for the extraordinary.

You own target card in the ante

Sacrifice Arid Mesa: Search your library for a Mountain or Plains card

or the smell

he is a master of trickery and misdirection

−2: Search your library for a card

Set: Betrayers of Kamigawa Type: Instant — Arcane Rarity: Rare Cost: {X}{U}{U} You may exile a blue card with converted mana cost X from your hand rather than pay this spell's mana cost

(Aura cards that can't enchant a creature on the battlefield remain in your graveyard

then choose another target for each time this spell was kicked

They're still lands

{T}: Target player discards a card

destroy all untapped creatures that didn't attack this turn

which can be quite unsettling for their prey