We'll get to how they'll be available for purchase in a moment
Allowing you to play lands and cast spells off the top of your deck is powerful, and getting a Treasure to help you on your way is a great addition
Dealing with an Ulamog once it is in play is a bit of a pain for your opponents too, since if they want to target it with any sort of spell or ability, theyll have to sacrifice two permanents as part of its ward effect
(It's an artifact with ", , Sacrifice this token: You gain 3 life.") Foods you control have ": Add ." , Sacrifice this enchantment: Creatures you control get +X/+X until end of turn, where X is the number of Foods you control
Michelangelo comes with the raid ability, where if you've attacked during a turn, he will create a food token and put a +1/+1 counter on a target creature
That card ended up being called Duplicity and it was printed in Tempest