Greensleeves 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

+2: Create a Giant Badger token. (It's a 2/2 Badger creature with "Whenever this token blocks, it gets +2/+2 until end of turn.") −3: Mill three cards. Put all permanent cards from among them into your hand. −8: Until end of turn, creatures you control have base power and toughness 8/8 and gain trample. Greensleeves can be your commander.

How it works : Greensleeves

Original English text — Wizards of the Coast / Scryfall

No additional ruling has been published for this card.

Interactions with other cards

These cards' text mentions Greensleeves.

Greensleeves, Maro-Sorcerer

Protection from planeswalkers and from Wizards Greensleeves's power and toughness are each equal to the number of lands you control. Landfall — Whenever a land you control enters, create a 3/3 green Badger creature token.