That's all well and good, but if you can hang on to that Metalworker you often end up with eight, ten or even more mana by showing your opponent most or all of your hand
Taking one and a half damage a turn is a serious problem for anyone who intends to allow his opponent to live for several turns
This mana cant be spent to cast a nonartifact spell. In other words, you can use Powerstones to pay for activated abilities, or even to pay for triggered abilities
You can find a collection of vintage old back cards, newer modern cards, as well as some sealed products like booster boxes
Unlike the graveyard, exile is "the place where cards go when they're really dead and can't be replayed back into the game"
If it is used as synchro material, players can target a synchro monster they control and give it an additional attack during that turn