What does Training do in MTG?

Training is an official Magic: The Gathering keyword. The ranked cards above show how it works in practice.

What is the best Training card?

By popularity, Training is among the most-played Training cards — see the full ranked list above.

Training is a Magic: The Gathering keyword. Below are the best Training cards of all time, ranked by popularity.

What does Training do in MTG?: Training is an official Magic: The Gathering keyword. The ranked cards above show how it works in practice.
What is the best Training card?: By popularity, Training is among the most-played Training cards — see the full ranked list above.