Talara's Bane — ruling 1

If the creature card has “*” in its power or toughness, the ability that defines “*” works in all zones. Note that the card is in the opponent’s hand when Talara’s Bane checks its toughness.

Talara's Bane : règles, fonctionnement et interactions (MTG)

Talara's Bane 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

Target opponent reveals their hand. You choose a green or white creature card from it. You gain life equal to that creature card's toughness, then that player discards that card.

How it works : Talara's Bane

Original English text — Wizards of the Coast / Scryfall

#1August 1, 2008· Wizards of the Coast
If the creature card has “*” in its power or toughness, the ability that defines “*” works in all zones. Note that the card is in the opponent’s hand when Talara’s Bane checks its toughness.
No other card is named in this ruling.