mtg 10th edition booster box Wizards Of The Coast Tenth Pack colour mysteries just likeany booster pack of Magic Magic The Gathering 2010 Core

(2023-02-04) If a creature with toxic deals combat damage to a creature or planeswalker, or if it deals noncombat damage, toxic has no effect and no player gets poison counters

You may choose to discard your hand even if your hand contains zero cards

The Great Henges mana cost is reduced by X generic mana equal to the greatest power among creatures you control

Yes, cold water works best with a very gentle clean

Mox Sapphire doesn't do anything more than provide a single blue mana, but the fact you could play as many of these artifacts as you wished on the first turn meant it was theoretically possible to have far more mana than your opponent if you received a lucky draw