Aetherflux Reservoir [Mystery Booster]

Aetherflux Reservoir [Mystery Booster]Set: 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.

that player may pay {4}

so they would become a part of the forest after death

if it's represented by food

Set: Arabian Nights Type: Artifact Rarity: Uncommon Cost: {4} {2}

Set: San Diego Comic-Con 2018 Type: Legendary Planeswalker — Gideon Rarity: Mythic Cost: {1}{W}{W} +1: Until your next turn

First strike

Set: Judgment Type: Instant Rarity: Rare Cost: {1}{G} Cast this spell only during your turn

Set: Mirrodin Besieged Type: Creature — Sphinx Rarity: Mythic Cost: {4}{U}{U} Flying

'First take Jingzhou

−7: You get an emblem with "At the beginning of your end step

Oketra the True can't attack or block unless you control at least three other creatures

Set: Fifth Edition Type: Artifact Rarity: Rare Cost: {1} Mana Vault doesn't untap during your untap step