Tarox Bladewing — ruling 1

The +X/+X bonus is based on Tarox Bladewing’s power at the time the ability resolves. It won’t change if Tarox’s power changes later in the turn.

Tarox Bladewing : règles, fonctionnement et interactions (MTG)

Tarox Bladewing 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

Flying, haste Grandeur — Discard another card named Tarox Bladewing: Tarox Bladewing gets +X/+X until end of turn, where X is its power.

How it works : Tarox Bladewing

Original English text — Wizards of the Coast / Scryfall

#1May 1, 2007· Wizards of the Coast
The +X/+X bonus is based on Tarox Bladewing’s power at the time the ability resolves. It won’t change if Tarox’s power changes later in the turn.
No other card is named in this ruling.