Whether you duplicate ETB effects like Zealous Conscripts or double down on value creatures, the potential for infinite loops is real
Azurite Sea features a heavy pirate theme in many of its offerings, which can make for some wonderful themed decks that offer unique approaches to the gameplay, as well as just making it fun and cute
I criticized the Madrigal deck for only having one win condition in 004-018, this one has more agency in that regard
Dragonlair Spider is a 5/6 Spider that costs two generic, two Red, and two Green mana to cast, and has the Reach mechanic (can block creatures with Flying)
These are small, curated sets of cards sold directly by Wizards of the Coast for a limited time
Gale Wind Spirit as a Cogsworth / Crab combo has potential but the low Strength may be too much of a problem to include him without backup