Vivien's Talent is a rare Enchantment — Aura card from March of the Machine Commander (MOC), collector number 86. Current market price: $0.22 (foil $0.28), TCGplayer market prices via Scryfall.
Enchant planeswalker Enchanted planeswalker has "[+1]: Look at the top four cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order." Whenever a nontoken creature you control enters, put a loyalty counter on enchanted planeswalker.