mushroom card sleeves Custom Playing Cards: The Ace Up Your Sleeve Archival quality the cutest mushroom house crochet

Going by the title, it sounds like all of these cards were infact created by a Smeargle

One useful tip I can give you is that it's better with "Alviss of the Nordic Alfar" effect to discard from deck the most useless Nordic monsters (most of the times the level 4 and some level 3 beast-type cards)

The only real cost is that you need to feed Contamination by sacrificing a creature during your upkeep to keep the effect going

Legendary Creature - Wizard Zombie Recursion (CTRL to add secondary) Removal Ertai Resurrected Flash When Ertai Resurrected enters, choose up to one Counter target spell, activated ability, or triggered ability

Control decks loved Ivory Tower before the game got too fast for it

For two mana, you get a White 2/2 that you can pay one mana and tap them to activate magical tinkering