Carrion Thrash — ruling 1

You choose a target when the ability triggers. You decide whether to pay {2} when the ability resolves.

Carrion Thrash — ruling 2

If Carrion Thrash and another creature are put into a graveyard from the battlefield at the same time, you may target the other creature with Carrion Thrash’s ability.

Carrion Thrash : règles, fonctionnement et interactions (MTG)

Carrion Thrash 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 creature dies, you may pay . If you do, return another target creature card from your graveyard to your hand.

How it works : Carrion Thrash

Original English text — Wizards of the Coast / Scryfall

#1October 1, 2008· Wizards of the Coast
You choose a target when the ability triggers. You decide whether to pay when the ability resolves.
No other card is named in this ruling.
#2October 1, 2008· Wizards of the Coast
If Carrion Thrash and another creature are put into a graveyard from the battlefield at the same time, you may target the other creature with Carrion Thrash’s ability.
No other card is named in this ruling.