Enchantment Color tag templates(None) Gutter Grime Whenever a nontoken creature you control dies, put a slime counter on this enchantment, then create a green Ooze creature token with "This token's power and toughness are each equal to the number of slime counters on Gutter Grime." Enchantment Color tag templates(None) Haunted Library Whenever a creature an opponent controls dies, you may pay
Ordeals (Final Fantasy IV) This is the famous location in FFIV where Cecil climbs up to go through a ritual to become a Paladin
Pick Enclave and see how many cards theyre willing to Mill
[With thanks to all the artists who responded to my emails!]
And I'm not just talking about simple cards like basic lands, or even simple-adjacent cards with just an activated ability like MTG Arena for Powered Cube that parsed and work perfectly (from a rules-correctness perspective) right out of the box, despite having somewhat complicated rules text: Emrakul, the Aeons Torn Currency Converter Dauthi Voidwalker Recurring Nightmare On the other hand, some cards take days, weeks, or even months of RULE work
(If you play planeschase enough, you might see this become a staple card in your group.) The main draw to planeschase came to me when I saw how it affected the game, as with little subtlety, the game drastically changed when planes came in