Serra Angel (T1, S) Serra Angel might be pretty non-exciting by today's standards, but it shined as the absolute best kill card in the absolute best Type 1 deck for many years
I imagine this is a discussion that has gone on since the beginning of the game
While this cards pack tactics ability is certainly nifty (gifting you a free 1/1 Gob if your attacking creatures powers are equal to six or more), its this cards one red and one colorless activated ability that truly shines: being able to give haste and a healthy boost to all of your Goblins powers can sometimes end a game (for one player, at least) on the spot
First, you could go find a five-color commander that might be decent with Lessons, even though it won't say the actual word on it
Emerald can be an extremely fun ink colour to play for this reason, and boasts some of the best Lorcana cards in The First Chapter as a whole, allowing the opportunity to mess with rival players and become a real thorn in their side