Riot's philosophy about what a " good " game design is.
TFT: based on leveling up units to rank 2 or 3 star. Riot: Completely nullifies its core mechanic with Cursed Blade.
TFT: based on using mana to cast spells. Riot: Completely nullifies its core mechanic with Demons and Hush.
TFT: based on AAs to build up mana and do dmg. Riot: Completely nullifies its core mechanic with Sword Breaker.
TFT: based on interactive PvP fights. Riot: Completely nullifies its core mechanic with permaCC (noticeably, Glacials)
TFT: based on using items to solidify our comps. Riot: Completely nullifies its core mechanic with Hextech trait.
Coming soon:
TFT: based on using units on the board. Riot: Completely nullifies its core mechanic with something that pops units out of the board for the rest of the fight (kinda like banishing a card from the game, in card games like Yu-Gi-Oh!).