Denis, Lamp Overlord

At the beginning of each upkeep,
create a 0/1 Lamp token artifact creature.
{p/c}{p/u}{p/b},{t}: Lamps you control gain indestructible
until end of turn.
Sacrifice any creature: choose one —
• Add one mana of any color.
• Put a +1/+1 counter on Denis, Lamp Overlord.