Domain — Look at the top X cards of your library, where X is the number of basic land types among lands you control. Put one of those cards into your hand and the rest on the bottom of your library in any order.
Worldly Counsel has 2 listed printings; the most valuable is the printing from INV at US$0.11 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.
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