Into the Flood Maw Into the Flood Maw is cheap and flexible blue instant, and especially effective if you need to knock the counters off of a permanent or need to remove a token
This Kirin Spirit will drop the cost of your stuff by a generic for each target it has, which is a lot of fun in builds
CORI-JP046 Chaos Silk Hat (Chaos Hats) Quick-Play Spell (1) When your opponent activates a Normal Spell/Trap Card, or monster effect: Choose 3 Spells/Traps with different names from each other from your Deck and 1 monster in your Main Monster Zone that mentions Ritual of Light and Darkness, and if you do, Special Summon the chosen Spells/Traps as Normal Monsters (Spellcaster/DARK/Level 8/ATK 0/DEF 0) whose name is Chaos Hats in face-down Defense Position, Set the chosen monster, and shuffle them on the field, then your opponents activated effect becomes destroy 1 opponents Set monster
While Blasting Station worked well with tokens and outputted damage, this one manifests the concept of "grinding" as milling cards and turns that into infinite graveyard-based combos with Underworld Breach: It's also broken Commander containment, seeing play in Modern even after Breach was banned there
Creature - Spirit Color tag templates(None) Phylactery Lich Indestructible As this creature enters, put a phylactery counter on an artifact you control