Sphinx's Tutelage
Enchantment
Whenever you draw a card, target opponent mills two cards. If two nonland cards that share a color were milled this way, repeat this process.
: Draw a card, then discard a card.
Legalities
- brawl: banned
- commander: legal
- legacy: legal
- modern: legal
- pauper: legal
- standard: banned
- vintage: legal
- pioneer: legal
Rulings
- 2015-06-22:
Colorless is not a color, so putting two colorless cards into a graveyard won’t cause the process to repeat.
- 2015-06-22:
The process will keep repeating as long as both cards share a color and neither is a land card.