Lone Revenant

Lone Revenant

Creature - Spirit | Power/Toughness: 4 / 4 (CMC 5)
Hexproof (This creature can't be the target of spells or abilities your opponents control.)
Whenever Lone Revenant deals combat damage to a player, if you control no other creatures, look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.