Oracle

Sorcery 

If UB was spent to cast this spell, search your library for a card, put that card into your graveyard, then shuffle.
Return up to two permanent cards from your graveyard to your hand.

Tournooi-info

Legal in: Vintage, Legacy, Modern, Standard, Commander

Officiele rulings

2020-04-17 - wotc
Because Mythos of Brokkos doesn't target the permanent cards in your graveyard, you may choose the card you searched for.

2020-04-17 - wotc
A permanent card is an artifact, creature, enchantment, land, or planeswalker card.

2020-04-17 - wotc
The abilities of the Mythos check what colors of mana were spent to cast the spell. It's not an alternative cost to cast the spell.

2020-04-17 - wotc
If an effect copies the Mythos spell, no mana was spent to cast the copy, so the copy won't receive the bonus.

2020-04-17 - wotc
The ability checks what mana was actually spent to cast a spell. If an effect allows you to spend mana "as though it were mana" of any color or type, that allows you to spend mana you couldn't otherwise spend, but it doesn't change what mana you spent to cast the spell.

2020-04-17 - wotc
If an effect allows you to cast a spell without paying its mana cost, you can't choose to cast it and pay unless another rule or effect allows you to cast that spell for a cost. Similarly, you can't waive a cost reduction unless that effect says you may.

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