With the emphasis on, Me. These are just my personal favorites
Goblins want to come into play, exists for a brief period of time, then throw themselves into the enemy
Can I take them out in response to a spell to save my creature (for example, I'm wearing white colored contact lenses and my opponent plays Execute)
You can Stifle the ability on the stack, or kill my Sungold Sentinel before the ability resolves (and the Sentinel gains hexproof), but the Sentinel's activated ability doesnt care about coven after activation, so nothing you do to my coven will matter in this scenario, But, on the other hand, if I trigger Redemption Choir, you stop the trigger from resolving if you mess with my coven while Redemption Choirs ability is on the stack
Weaver of Harmony [Less than $1] I think this card has obvious applications beyond pumping your other enchantment creatures
Returning Game Term: Modified Modified is another returning mechanic in this set