If 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.
"The most unexpected weapon that a monster can wield is kindness."
—*Tales of the Ozolith*
Because Mythos of Brokkos doesn’t target the permanent cards in your graveyard, you may choose the card you searched for.
17-04-2020
wotc
If an effect copies the Mythos spell, no mana was spent to cast the copy, so the copy won’t receive the bonus.
17-04-2020
wotc
A permanent card is an artifact, creature, enchantment, land, or planeswalker card.
17-04-2020
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.
17-04-2020
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.
17-04-2020
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.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.