Given that there havent been any cards printed recently that break game-states to the extreme degrees required by the RC to act, lets look at a few cards Id remove while throwing a few back on instead
Also of note, if your opponent had cast Shock after they declared blockers but before the combat damage step, your Troll would be removed from combat and no damage would be dealt, leaving their Rats unscathed
More recently in the metagame, Pokemon Reversal - Gust of Wind on a coin flip - was commonly used in multiple copies (usually three to four) in most decks and even Pokemon Circulator - Gust of Wind but your opponent gets to choose which Pokemon to send in - was sometimes used over Reversal as it didn't require a coin flip and in some scenarios, Circulator can be just as good as Gust of Wind anyway
(This is treated as a Fusion Summon with "Dark Fusion".) Add 1 "Supreme King's Castle" or "Dark Fusion" from your Deck to your hand
They have a hate bear in Collector Ouphe, and a large clock in Tarmogoyf
A box break is a way to split up the contents of a booster box into slots prior to opening the box