The Magic Mirror (Promo Pack) [Throne of Eldraine Promos]

Description

Set:	Throne of Eldraine Promos
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.