When the ability resolves, Rancor is returned to its owners hand if able
In case you're wondering what the big deal is, these are artist proofs of cards from the very first MTG set
Commander 2019: "Mystic Intellect" Deck Mystic Intellect is a 100 card Commander preconstructed deck with a flashback theme, featured in Commander 2019
Resolve The Row Unlike a normal turn where youd draw a card after the Set phase, Ursula works down the row of her cards and resolves them one by one, left to right
+1 poison counters is potentially a lot, with swarms of Mites it's enough to kill someone in a single turn pretty easily
If you exile two legendary cards with The Kenriths Royal Funeral, then you draw two cards and all of your Legendary spells become two mana cheaper to cast for the rest of the game, at the cost of losing life equal to the greatest mana value of a card exiled this way