Who knows :) Are you worried there might be any repercussions from Nintendo, considering how not-kid-friendly CAH is
Toxic Deluge One of the better black board wipes, especially when you start at 40 life, Toxic Deluge is even able to get around most protection effects by giving everything negative toughness rather than destroying or dealing damage
Its growing popularity makes it a safe long-term collectible as well as a gameplay staple
It's all to do with the high number of legendary creatures in UB sets like TMNT, in particular, the appearance of legendary creatures at low rarities, which means the Legend Rule (dictating you can only have one copy of a legendary card on the field) rears its head way too often and starts causing some serious deck-building issues
During your turn you wont need to worry about any combat tricks, removal spells, or counterspells
While this will limit the effectiveness of Gandalf the White somewhat, theyre still definitely powerful