Syr Elenora, the Discerning
Legendary Creature — Human Knight
Syr Elenora's power is equal to the number of cards in your hand.
When Syr Elenora enters, draw a card.
Spells your opponents cast that target Syr Elenora cost 
more to cast.
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Illustrated by
Throne of Eldraine#67UncommonEnglishLegality
Rulings
Oct 4, 2019
The ability that defines Syr Elenora's power works in all zones, not just the battlefield.
Oct 4, 2019
To determine the total cost of an opponent's spell that targets Syr Elenora, start with the mana cost or alternative cost that player is paying, add any cost increases (such as that of Syr Elenora's effect), then apply any cost reductions. The mana value of the spell remains unchanged, no matter what the total cost to cast it was.