mtg companion cards Spirited (0896) • Secret Lair Series (SLD) #896 Exile it at the beginning of your next upkeep.7 Top 10 Companions in Magic:

If you block an attacking creature then remove your blocking creature from combat somehow (often by sacrificing it or bouncing it back to hand), the attacking creature still counts as being blocked

That is, until now

Jaws can be a win condition in combos that create and sacrifice artifacts indefinitely, like those involving Pitiless Plunderer

With group hug card draw effects your opponents may mistake your kindness for weakness, not even realising that they have already lost

#7 is complicated by the fact that I'm insanely intuitive

Deep Clue Sea also has a few cards that aren't all that great, and a few cards that are decent on their own but don't really fit the Clue theme