Toph, Hardheaded Teache r I adore this four-drop Gruul take on Toph at 3/4 size and legendary rare too
Since your opponent cant negate the cards activation with cards of the same type as those discarded (monster, spell, trap) it can stop an opponent from developing their board
Yes, these are corner cases and I doubt they are even more powerful compared to the more obvious options you can abuse, like extra turn spells
The alt-win condition feel combined with its sheer power rubbed some the wrong way, while others immediately latched onto it and embraced it wholeheartedly, with Standard, Modern, and Legacy decks fully devoted to taking advantage of the mechanic
One of the best options is Acolyte of Bahamut, which lets you discount Dragon spells since Dragons have a lot of attack triggers and Karlach provides extra combat steps