Whats more, the best abilities around in the 2013 Standard environment were all triggered abilities Blood Artist was still a menace from the Innistrad block, Prime Speaker Zegana didnt care about attacking, and Boros Reckoner combo decks didnt even glance at its first strike ability
So, we're going to kick things off with what an aggro energy deck could look like in Modern
Each backup ability triggers separately.) Trample Whenever this creature deals combat damage to a player, put that many +1/+1 counters on it
Sheoldred, Whispering One The first iteration of Sheoldred, Sheoldred, Whispering One reanimates something from your graveyard on your upkeep and forces opponents to sacrifice a creature on their upkeep
I'm already extremely lenient with takebacks in Commander, but especially here because of a lack of information, I'd be extremely relaxed about it