Pokey, the Scallywagg

Menace If you would flip a coin, you may instead roll a d20. 1−10 is tails and 11−20 is heads. (It counts as rolling a die, not flipping a coin.) If you would roll a d20, you may instead flip a coin. Tails is 1 and heads is 20. (It counts as flipping a coin, not rolling a die.)

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6o7nv64qjjpb1hjvty6dvo.