monument cards mtg to Endurance DFT 0237 R NM Regular White creature spells you cast cost 1 less to cast Monument to Perfection

and if something is as old as the game itself of course you can build a deck based on it in 93/94

The most popular variant of the Esika, God of the Tree strategy is a 5-color planeswalker deck filled to the brim with both mana acceleration and fixing 5 colors isn't free!and gamestate-warping planeswalkers that can take over a Commander game fast

Vnwxt, Verbose Host

Having an extra Tavern Scoundrel or Harmonic Prodigy can be really handy in a coin flip deck

Treat them as starting points, not rules

This is why the leaves the battlefield trigger really helps because it keeps your counters in play like modular, but also counts if it is bounced, flickered, or airbent