magic the gathering modern horizons 3 booster box MTG card Collector Booster Sample Pack containing 2 alt Collecting Modern Horizons 3

In unlimited mode, any cards are allowed, however the unlimited mode has been restricted to only be a playable option with online friends in a Friend Battle or training against a NPC

When this happens, the user can discard this card and if they do, the card that activated its effect is destroyed

This is following a sparse initial reveal of only three cards last week

You can expand the boundary to whatever you want, but having to do this at all can be annoying

However, milling is an additional win-condition that can be achieved by reducing your opponent's library to zero, making them unable to draw a card on their upkeep and thus losing the game