If the targeted permanent is already untapped as Infuse resolves, Infuse won't affect it, but you'll still draw a card at the beginning of the next turn's upkeep.
(2025-06-06) If a player or permanent has more than one kind of counter on it, and you choose for it to get additional counters, it must get one of each kind of counter it already has
It also supports artifact creatures in general, which is helpful since it lets you flesh out the deck easier, but really he's there to make Phyrexian decks function
Mother of Runes protects two kids a turn, Faeburrow Elder churns out mana, and Mikaeus, the Lunarch gets your team jacked up
There are a bunch of unanswered questions around maximizing companion, but Lurrus eliminates half the puzzle by naturally slotting in a bunch of homes without any real deckbuilding restrictions
Here's an ultimate guide based on my personal experience, as well as some tips for making the most of your trip