There are also tons of creatures that arent changelings but provide useful abilities like creating Treasures with Magda, Brazen Outlaw, granting islandwalk from Master of the Pearl Trident, or making each other creature indestructible with Knight Exemplar
Much like Pact of Negation, being able to win the same turn you played Remand mitigate much of its intended downside
Skithiryx the Blight Dragon is one card that's become far cheaper since the sheet's reprints started to circulate
Speaking of the Flaming Fist, how about one of their first run-ins
Number 181 Language English Legal Formats Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pauper, Pioneer, Timeless, Vintage Not Legal Formats Alchemy, Standard
Any good poison deck also needs some proliferation, so Ive included a good deal of it