Mephistopheles Lord of Lies

Flying, Indestructible, Menace
When Mephistopheles deals combat damage to a player, return a card from your graveyard to your
hand.
If Mephistopheles would be put into your
graveyard from someplace other than the battlefield, return him into your hand instead,
and target player discards their hand.
{t}, discard a card: Target player must sacrifice a creature or take damage equal to the manacost of
the discarded card (minimum of 1).