We ol' timers may know this as "the [autocard mvid="25676"]Goblin War Drums[/autocard] effect." Once a creature with menace is legally blocked by two or more creatures, removing those blockers from combat won't change or undo the block
Speaking of, you can tap the creature to remove a counter and draw a card
Shatter the Oath is excellent in Wilds of Eldraine no matter its mana cost, since its effect can hit practically any card the opponent might have
Lets look at some of the cards that are new, and some that are reprints, but worth getting right now as people crack the decks and sell the singles
Know What to Look For: Familiarise yourself with the cards texture, printing, and foiling
From that point onward, the opponent was Ophidian locked, and it was Counterspell city until the cow came home