Link Monsters are stored in a player's Extra Deck, and cannot be returned to a player's hand or Main Deck
Very likely the most powerful Booster Draft bomb of all time (and no slouch in Constructed), Umezawas Jitte has been leaving its mark on Magic players since the first one was pulled from a mono-black Rats Standard precon in 2005
And it has a secondary use, regardless of format: Rather than enchant other players, you can enchant yourself with this curse, and you'll get Gold whenever another player attacks you
That the card rewards players for using its main function makes it a very powerful tool, even without the context of a deck
Phyrexian Walker 3/10 This is basically all the bad bits of Memnite and Ornithopter combined
Oftentimes youll find that the levels of the tribute need to be equal or greater to the Ritual monster you are summoning