Aetherflux Reservoir [Mystery Booster] MON124 We should continue that practice

We should continue that practice here

it deals 4 damage to any target and 3 damage to each of up to two other targets

it gets Go again

target opponent puts two cards from their hand on top of their library in any order

Hyperphase Threshers — Whenever an artifact enters the battlefield under your control

Aetherflux Reservoir [Mystery Booster] MON124 We should continue that practiceSet: Mystery Booster 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.