Chikujoin Magane

: Whenever a creature attacks you or a planeswalker you control, gain control of target permanent. Then put a loyalty counter on Chikujoin Magane.
: At the beginning of your upkeep, if you control four or more Demons with different names, you win the game.
-4: Search your library and/or graveyard for a demon card, reveal it, and put it into your hand. If you searched your library this way, shuffle it.