Matias, the Lovestruck

Whenever you cast a spell that targets Matias, the Lovestruck, you may discard a card. If you do,
draw a card.
Whenever Matias, the Lovestruck becomes
blocked by a creature, that creature gets -2/-0
until end of turn.
At the beginning of your end step, if you control
three or more creatures named
"Matias's Admirer," you win the game.