You may use abilities that play as fast effects multiple times before sacrificing the permanent, such as Knight of Dusk's " Your Hand - A Precious Resource Of the three cards you draw at one time, only the top card is revealed, and that card is considered your hand
Yesterday we covered FFXII
Look closely at the front photo above (specifically at the Celebrations logo) and see that the texture is inverted, and the texture is that of the Flying Pikachu V from the same set
Charix is a creature with an absolutely massive amount of toughness, but with a little mana investment, you can start slamming for huge chunks of damage
On the surface, they may not look all that different from your regular Lands
There's no guarantee what you'll get in exchange for your Pokemon, it's all about the surprise