Velomachus Lorehold
Legendary Creature — Elder Dragon
Flying, vigilance, haste
Whenever Velomachus Lorehold attacks, look at the top seven cards of your library. You may cast an instant or sorcery spell with mana value less than or equal to Velomachus Lorehold's power from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.
Illustrated by
Strixhaven: School of Mages#245MythicEnglishLegality
Rulings
When Velomachus Lorehold’s triggered ability resolves, it lets you cast a spell immediately, ignoring timing restrictions. It does not let you cast that spell later in the turn.
If you choose not to cast a spell this way, all of the cards will be put on the bottom of the library in a random order.
If you’re casting a spell with 
in its cost without paying its mana cost, you must choose 0 for the value of X.