Containment Construct | Illustration by Julian Kok Joon Wen Discard payoffs either reward you or punish opponents when you make a player discard cards
With those tokens we can create mana of every color, which excluding niche case thing like getting through a Norns Annex, Im not sure is really relevant without steal effects that dont provide the mana as any color clause
You can search your library and give them lands with a few effects like Yavimaya Dryad
Dust off the obscure Mishras Groundbreaker to do the same with a land
Creature - Cat Color tag templates(None) Lost Leonin Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Creature - Soldier Cat Phyrexian Color tag templates(None) Mirri, Weatherlight Duelist First strike Whenever Mirri attacks, each opponent can't block with more than one creature this combat
Finally, always store your most valuable graded cards using reliable binders for Pokmon cards or dedicated storage boxes, as careful handling makes you look like a pro seller and can even net you some repeat customers