mtg recently banned cards Exploring The Previously That Are Legal In Pioneer list of banned cards mtg

Like Ghyrson, she greatly boosts the effectiveness of a cheap card type: auras

The card allows players to swap out characters quickly during gameplay, which can offer a significant advantage and throw opponents off

Ajani's Comrade has Trample and "At the beginning of combat on your turn, if you control an Ajani planeswalker, put a +1/+1 counter on Ajani's Comrade"

Toni Infante Final Fantasy Collector Boosters seem to have jumped the shark as far as their current prices, with a good chunk of Magic players going from SHUT UP AND TAKE MY MONEY!! to Meh

Bloated Contaminator trumps this card in terms of mana efficiency (spoilers), but Grafter provides card draw and ramp, something poison-based decks are severely lacking