Stonefare Crocodile — ruling 1

Multiple instances of lifelink on the same creature are redundant. Activating Stonefare Crocodile's ability more than once during a single turn won't cause you to gain more life.

Stonefare Crocodile : règles, fonctionnement et interactions (MTG)

Stonefare Crocodile 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

: This creature gains lifelink until end of turn. (Damage dealt by this creature also causes you to gain that much life.)

How it works : Stonefare Crocodile

Original English text — Wizards of the Coast / Scryfall

#1October 1, 2012· Wizards of the Coast
Multiple instances of lifelink on the same creature are redundant. Activating Stonefare Crocodile's ability more than once during a single turn won't cause you to gain more life.
No other card is named in this ruling.