Aetherflux Reservoir [Mystery Booster] Human Advisor this creature enters the battlefield

this creature enters the battlefield with a +1/+1 counter on it

"Drench these golden streets in the blood of our enemies

Set: Tempest Type: Enchantment Rarity: Rare Cost: {1}{G} Tap an untapped creature you control: Untap target basic land

Set: Alpha Edition Type: Instant Rarity: Uncommon Cost: {G} Cast this spell only before the combat damage step

Aetherflux Reservoir [Mystery Booster] Human Advisor this creature enters the battlefieldSet: 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.