This is the correct number of lands for a casual deck
Magic has plenty of mill-four then get one back effects, but those are generally instants or sorceries
Wicked Wolf, Oko, and Walking Ballista provide removal and Food plus Hydroid Krasis put your life total out of reach
3 Mutagen Man, Living Ooze Legendary Creature This low-cost legendary creature is going to be huge for artifact and counter decks thanks to its ability to make activating artifact abilities cost one less mana
While Haywire Mite is exile based removal, it doesnt hit artifact or enchantment creatures, which includes a bunch of highly played creatures that youll want to remove, like Esper Sentinel, Dryad of the Ilysian Grove, Sythis, Harvests Hand and Academy Manufactor
All of the rare Chocobos have been confirmed to have less than a 1% pull rate in Collector Boosters, but the exact percentage is unknown