Aetherflux Reservoir [Kaladesh Promos] Pauper but you may put it

but you may put it on top of your library instead of into your graveyard

Set: Commander 2011 Type: Instant Rare Cost: {U} Counter target instant or sorcery spell unless its controller pays {1}

the Mahamoti Djinn rides on the wings of the winds

Set: Fifth Dawn Type: Artifact — Equipment Rarity: Uncommon Cost: {0} Equipped creature has "{T}: Add one mana of any color

Enchanted creature doesn't untap during its controller's untap step

Aetherflux Reservoir [Kaladesh Promos] Pauper but you may put itSet: Kaladesh Promos Type: Artifact 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.