She could keep the board clear, could generate card advantage and a win condition, and she required an answer since her ultimate was basically game winning (although I have seen someone lose after using it)
You cannot target him save by discarding an enchantment, instant or sorcery, so that's card advantage
For example, if youre building a deck around Urza, Lord High Artificer, you probably want a ton of cheap artifact creatures you can tap for mana, and then big heavy hitters you can cast with his second ability and all of that mana you generate
This product includes many cards suitable for multiplayer battles, such as team battles with two players per team and battle royale with up to four players
This set would get top billing just for Shaymin, but all the other fantastic cards in its lineup take it to another level