When Izzet Polarizer dies, conjure a card named Ionize or a card named Electrolyze into your hand
Whatever the strategy to running, as long as your deck is prepared for it, youll usually win the game on the spot once you play this powerful black instant
In spite of this, there are a handful of notable exceptions, where you'll be able to capture, ride, or even recruit behemoths to aid you on your quest
The fact this thing is so situational is probably why it isnt in as many decks as it should be, and I dont necessarily disagree with that logic
If you are unsure as to whats unreasonable you could look up the card on the Pokmon TCG card database to get a ballpark range of where its HP is usually at
For a very solid and highly detailed look at this aspect of MTG collecting, I recommend this fantastic article by Guo Heng Chin