shroud mtg cards of Darkness [SGL-FAB-DTD-165-ENC] put a coin counter on another target creature MTG Shroud explained: What it

When this flying 6/6 creature card enters the battlefield, all other creatures the player controls gain flying and +1/+1 for each creature controlled

Blade of the Bloodchief [Vampire deck]: You will need to sacrifice for this to work

However, the fact that more Cats, Elementals, Nightmares, Dinosaurs, and Beasts keep getting printed every year means that I wouldn't be surprised if Kaheera, the Orphanguard ended up being quite strong over the long-term

But if you broaden your definition beyond simple reanimation, almost every deck has some way to get value out of the yard and if yours doesnt, youre probably not trying hard enough

Its incredible