Rock Hydra [30th Anniversary Edition] Demon Spirit and that player loses life

and that player loses life equal to the total mana value of those cards

"This world was once so much more than the confines of Naktamun

anything they control

and you're Mimi

Rock Hydra [30th Anniversary Edition] Demon Spirit and that player loses lifeSet: 30th Anniversary Edition Type: Creature Hydra Rarity: Rare Cost: {X}{R}{R} Rock Hydra enters the battlefield with X +1 +1 counters on it. For each 1 damage that would be dealt to Rock Hydra, if it has a +1 +1 counter on it, remove a +1 +1 counter from it and prevent that 1 damage. {R}: Prevent the next 1 damage that would be dealt to Rock Hydra this turn. {R}{R}{R}: Put a +1 +1 counter on Rock Hydra. Activate only during your upkeep.