mtg are commander cards legal in standard Standard, Rarity: U, Rules Text: Target, 832 Is Lions Eye Diamond Legal

Sheriff of Nottingham, Corrupt Official is a 2/4 super rare that reads: Whenever you discard a card, you may deal one damage to chosen opposing character. With our Sheriff on the board, and our Beast hanging out at The Bayou, our technically infinite combo is assembled

If you want to put together the deck, look for Ultimate Masters printings of Goryo's Vengeance

Vito, Thorn of the Dusk Rose Although Vito, Thorn of the Dusk Rose is often used as a commander in lifegain combo decks that aren't necessarily tribal, a good portion of those who use it pick vampires as their theme

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Otherwise, its a vanilla four mana 4/4

For the same amount of mana less when you account for activating the Blood token Mask of Memory provides genuine card advantage and wont require additional resources every turn to get value