Battles can be dealt damage and attacked, like planeswalkers, and damage to them causes that many defense counters to be removed
While overall supply also plays a role in the price, the fact may be that more people are keeping the Pokemon Center version of Destined Rivals ETBs sealed rather than opening them
Isu the Abominable looks fun if you want to try and make the snow deck work, while Auntie Blyte, Bad Influence encourages you to hurt yourself, and Runadi, Behemoth Caller is great for big, stompy creature decks
If you do, draw a card.) Implement of Improvement: Compare with Origin Spellbomb (one mana, Tap, Sacrifice Origin Spellbomb: Create a 1/1 colorless Myr artifact creature token
Good things have been offered by Wizards in the past that were playing into something new and you needed to run with it, and this certainly plays well with that in mind