weight of mtg card Shake is now canon for Weight of Memory · Dominaria

A 7/5 haster for a full 7 mana is very answerable

MTGs Outlaws of Thunder Junction set is packed with interesting, powerful cards, from high-value Creatures to potent new Spree Sorceries

Thankfully, if you dont care about the condition, you can get copies of Spike Cannibal for significantly cheaper

"These extra game elements have generally stayed away from Standard for two main reasons: complexity, and ensuring it's not right for every deck to have to bring extra elements

This mechanic is the perfect way to represent the classic Summons from Final Fantasy (also variously known as Espers, Aeons and Eidolons depending on the series entry)