Tournament rules · English Current · effective since 2026-10-16
Source updated: 2026-10-09 Why linked
Card name “Obelisk of Power” appears in rule 506.3.d.
506.3.d. For triggers that occur "At the start of each player's first Beginning Phase", the accountable player has the full duration of the turn in which the trigger occurs to acknowledge the trigger before it's considered forgotten, regardless of its observable impact. (Example cards: Obelisk of Power and The Arena's Greatest.)