Troyan, Gutsy Explorer — ruling 1

You don't have to spend the two mana on the same spell.

Troyan, Gutsy Explorer — ruling 2

You can spend mana generated by Troyan on any part of the cost of a spell that contains {X} in its mana cost. You're not limited to spending it only on the {X} part.

Troyan, Gutsy Explorer : règles, fonctionnement et interactions (MTG)

Troyan, Gutsy Explorer is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

: Add . Spend this mana only to cast spells with mana value 5 or greater or spells with in their mana costs. , : Draw a card, then discard a card.

How it works : Troyan, Gutsy Explorer

Original English text — Wizards of the Coast / Scryfall

#1September 1, 2023· Wizards of the Coast
You don't have to spend the two mana on the same spell.
No other card is named in this ruling.
#2September 1, 2023· Wizards of the Coast
You can spend mana generated by Troyan on any part of the cost of a spell that contains in its mana cost. You're not limited to spending it only on the part.
No other card is named in this ruling.