mtg proxy card size Day's Undoing - Magic Origins if you cast it What are the dimensions for

This puts every non-Goblin slot in your deck under serious scrutiny: every time you reveal a non-Goblin, it's just throwing away a potential free card

The Niv-Mizzet mode handles it directly

The fun of a draft environment can add some player interest to a draft booster box over time, especially those nostalgic for a format they havent gotten to play in years

Four years later play boosters came to replace set and draft boosters, so theres much to consider

Obviously, if a card says to flip a coin, you flip a coin, but otherwise, it just needs to be an agreed-upon process with an equal chance of getting each result

It is not the most aggressive of dorks but it is still fine for getting some beat on with and like Rakdos Charm will not overly pollute the consistency of what you are trying to do