If a card on the battlefield has to move to the graveyard, hand, library or any other zone, it always goes to the graveyard, hand, etc
Though many of the best already have trample, putting haste on every creature you play from that moment on can really crank up the heat on your opponents
Unprecedented Lands Magic has been playing in some more dangerous design spaces: just in Throne of Eldraine, we see a new and incredibly flexible wish (Fae of Wishes), a big mana ritual (Irencrag Feat), a free spell (Once Upon a Time), and two cycles of powerful lands (one of which is fetchable)
but if you insist, the card is fine
Head of the Homestead Head of the Homestead is a really good indicator of what rabbits do best, and thats making lots of babies to go wide
Then you can cast (note "cast" not "play," so no to dropping lands) the top card of your library if it's a common card