The Magic Mirror (Extended Art) [Throne of Eldraine] JingHe Age Tokens and Helm of Kaldra have

and Helm of Kaldra have indestructible

Then that player loses all unspent mana and you add the mana lost this way

For each creature you control of the chosen type

Set: Arabian Nights Type: Instant Rarity: Common Cost: {2}{W} Blocking creatures get +0/+3 until end of turn

Set: Beta Edition Type: Creature — Hydra Rarity: Rare Cost: {X}{R}{R} Rock Hydra enters the battlefield with X +1/+1 counters on it

The Magic Mirror (Extended Art) [Throne of Eldraine] JingHe Age Tokens and Helm of Kaldra haveSet: Throne of Eldraine Type: Legendary Artifact Rarity: Mythic Cost: {6}{U}{U}{U} This spell costs {1} less to cast for each instant and sorcery card in your graveyard. You have no maximum hand size. At the beginning of your upkeep, put a knowledge counter on The Magic Mirror, then draw a card for each knowledge counter on The Magic Mirror.