What does Toxic do in MTG?

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

What is the best Toxic card?

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

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

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