That game was not very fun
Elrond, Master of Healing The Green and Blue Scry archetype has potential within the LTR Limited meta with Elrond, Master of Healing handing out +1/+1 counters while potentially drawing a card when a creature with that counter is targeted
Assuming you can afford to pay eight mana and unlock both Rooms right off the hop, every enchantment cast produces +1/+1 counters equal to its mana cost, and every permanent you cast immediately becomes an enchantment
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The steady stream of card advantage helps keep pressure on your opponent while the lifelink gives you enough of an edge that racing is hard, if not impossible
On play, she's a serious threat, providing card draw, giving you more ink, and she stacks with other copies of Cinderella, Dream Come True