Urza, Chief Artificer Finish:Nonfoil sacrifice The Gitrog Monster unless

sacrifice The Gitrog Monster unless you sacrifice a land

The first player may reveal cards from the top of their library until they reveal a creature card

Until your next end step

exile target spell

You may put a land card from among them into your hand

Urza, Chief Artificer Finish:Nonfoil sacrifice The Gitrog Monster unlessAffinity for artifact creatures (This spell costs {1} less to cast for each artifact creature you control.) Artifact creatures you control have menace. At the beginning of your end step, create a 0 0 colorless Construct artifact creature token with "This token gets +1 +1 for each artifact you control."