mtg carnage card Magic The Gathering Trading Game Ravnica Allegiance Single Card Uncommon Carnival 222 Maximum Carnage - Marvel's Spider-Man

Better than Lightning Bolt, as you get the discard trigger as well

Shocker, Unshakable is a six cost, 5/5 Legendary Creature that, on entering play, deals two damage to a creature and two damage to that creature's controller, effectively casting Shock twice

Plus, if you want to hear about the history of Bloomburrow itself, the Planeswalker's Guide to Bloomburrow (Part 1, Part 2, and Part 3)

That said, there are ways to work around that when the concept of color identity (the mana symbols on a card, including its effects) enters the picture

Banner of Kinship is the definition of an easy win for a list like this

One of the things I found was a full deck of Alpha playtest cardscards that predate all Magic cards