Mnemonic Prism

Mnemonic Prism enters the battlefield with a charge counter on it for each different card type among permanents you control. {T}, remove a charge counter from Mnemonic Prism: Draw a card. When you remove the last counter this way, exile Mnemonic Prism. If you do, return target nonland card from your graveyard to your hand. {flavor}“Each facet reflects a memory—the more myriad your experiences, the brighter the Prism shines.”