For the low, low cost of two mana, you get to sacrifice your lands instead of tapping them normally
Then you layer in three discard land abilities to get stuff and you can draw, gain life, or save this with indestructible for the turn
Keep in mind, though, that the bigger the X value, the higher off the table you have to roll the dice from
8 Pikachu And Zekrom GX Pikachu and Zekrom GX was among the first wave of Tag Team GX Pokmon cards, and it made a shocking impact on the metagame
This creature is able to answer some of the most powerful cards in the entire Commander format
She also lets you draw a card at the end of every players turn if any player loses 4 or more Life that turn, which given the multiplayer nature of Commander, could reward you if others are playing well (or poorly)