Urza, Lord High Artificer (Profile Showcase) IMA (If an enchanted permanent you

(If an enchanted permanent you control would be destroyed

At the beginning of each of your postcombat main phases

You may choose not to untap this artifact during your untap step

exile target instant or sorcery card from that graveyard

exile up to one target Assassin creature card from your graveyard with a memory counter on it

Urza, Lord High Artificer (Profile Showcase) IMA (If an enchanted permanent youWhen Urza enters, create a 0 0 colorless Construct artifact creature token with 'This token gets +1 +1 for each artifact you control.' Tap an untapped artifact you control: Add {U}. {5}: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.