The Kenriths' Royal Funeral
Legendary Enchantment
When The Kenriths' Royal Funeral enters, exile up to two target legendary creature cards from your graveyard. You draw X cards and you lose X life, where X is the greatest mana value among cards exiled this way.
Legendary spells you cast cost 
less to cast for each card exiled with The Kenriths' Royal Funeral.
Aaron Miller
Rulings
The last ability doesn't change the mana cost or mana value of any legendary spell you cast, only the total cost you pay.
(wotc • 2023-05-12)
Any of the exiled cards that somehow leave exile will no longer count toward the discount offered by the last ability.
(wotc • 2023-05-12)
Printings
Rulings
The last ability doesn't change the mana cost or mana value of any legendary spell you cast, only the total cost you pay.
(wotc • 2023-05-12)
Any of the exiled cards that somehow leave exile will no longer count toward the discount offered by the last ability.
(wotc • 2023-05-12)