(If a permanent with a stun counter would become untapped, remove one from it instead.) Instant Wishing Well : Put a coin counter on this artifact
Brutal Cathars color identity is red-white, not mono-white
Aside from that, the following cards mention oozes in their rules text, including a few token generators: Convert to Slime Gelatinous Genesis Corrupted Zendikon Gutter Grime March of the World Ooze Miming Slime Mystic Genesis Ooze Flux Ooze Garden Slime Against Humanity Slime Molding Gutter Grime is a strong enchantment for a typal build, but Slime Against Humanity is fun since it lets you break deckbuilding rules
One copy of Shalai helps beat opposing Settle the Wreckage, though
Furthermore, this past weekend, Katara made an appearance as one of the few creatures in a Mizzix of the Izmagnus deck at a big cEDH tournament, putting its power on full display