Interdimensional Web Watch — ruling 1

Mana from Interdimensional Web Watch's last ability may be spent on any spells cast from exile, not just spells cast from exile via its first ability.

Interdimensional Web Watch — ruling 2

You must follow all normal timing rules when playing a land or casting a spell this way.

Interdimensional Web Watch : règles, fonctionnement et interactions (MTG)

Interdimensional Web Watch 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

When this artifact enters, exile the top two cards of your library. Until the end of your next turn, you may play those cards. : Add two mana in any combination of colors. Spend this mana only to cast spells from exile.

How it works : Interdimensional Web Watch

Original English text — Wizards of the Coast / Scryfall

#1September 19, 2025· Wizards of the Coast
Mana from Interdimensional Web Watch's last ability may be spent on any spells cast from exile, not just spells cast from exile via its first ability.
No other card is named in this ruling.
#2September 19, 2025· Wizards of the Coast
You must follow all normal timing rules when playing a land or casting a spell this way.
No other card is named in this ruling.