Your opponent will have to think twice about the resources they expend to get rid of your high-value cards, because you'll be able to replay them again on the next turn
Witherbloom, the Balancer , is a $14 card right now that can trigger an infinite combo with Sprout Swarm
Both are incredibly powerful but in different ways
A brilliant change to recent elite trainer boxes is dice with damage values instead of the classic dots, it just makes life easier when keeping track of damage in-game -- and it's also nice to see proper plastic damage counters instead of the pop-out cardboard ones
Digital Card Games have a far easier time balancing their cards due to the fact that these games can just change a few lines of code to alter the cost of a card, its power and defense values, or the functionality of its effects
Whenever you lose life, for each 1 life you lost, exile a permanent you control or a card from your hand or graveyard