Trever, the Blood Werewolf

Menace and Trample
Nightbound( This card is the flip side of Trever, Armed Weaponry https://mtgcardsmith.com/view/trever-armed-weaponry)
{1}{r}: Create a Colorless Artifact Blood token with {1}, Discard a card, then draw a card.
When you attack, you can sacrifice 4 Blood tokens you control, then create 2 5/4 Red Blood Trackers creature tokens with Haste.
When you block, you can sacrifice 4 Blood tokens you control, then 2 target creatures get +1/+3 until end of the turn.