The massive card flow that people want for free in Commander and multiplayer lead them to attack each other, but not you, especially since they don't have to spend a card to get the card draw, so for them, this is free card advantage over time for each foe that attacks each other, and you'll draw more than the card it took to cast him in one or two turns
I havent really had an elf deck on my radar during spoiler season, but the presence of strong enough synergies could alter the math on the tokens you get here
So now that we know the concept of rotation, lets go over some staples to keep in hand
It's common in card games for certain cards or characters to be so effective that they're included in almost every deck
The card Boxing Ring does a close approximation with the only instance of the term 'fought' in Magic, though Skyshroud Ambush accomplishes the same goal with significantly fewer words