Oracle

Creature - Dragon 3 / 3

Delve (Each card you exile from your graveyard while casting this spell pays for 1.)
Flying
Murktide Regent enters the battlefield with a +1/+1 counter on it for each instant and sorcery card exiled with it.
Whenever an instant or sorcery card leaves your graveyard, put a +1/+1 counter on Murktide Regent.

Tournooi-info

Legal in: Vintage, Legacy, Modern, Commander

Officiele rulings

2021-06-18 - wotc
Delve doesn't change a spell's mana cost or mana value. For example, Murktide Regent's mana value is 7 even if you exiled three cards to cast it.

2021-06-18 - wotc
You can exile cards to pay only for generic mana, and you can't exile more cards than the generic mana requirement of a spell with delve. For example, you can't exile more than five cards from your graveyard to cast Murktide Regent unless an effect has increased its cost.

2021-06-18 - wotc
Because delve isn't an alternative cost, it can be used in conjunction with alternative costs, such as flashback. It can also be used to pay for additional costs that include generic mana.

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