That's the kind of subtle engine that snowballs as the game goes longer
That said, if you can make use of her shes fantastic not only does Elesh Norn, Grand Cenobite have Vigilance, but she also adds +2/+2 to all other creatures you control, while penalising all creatures under control of your opponents with a -2/-2 to their power and toughness
The Lunar Whale Playing cards from the top of your library is always nice because it sets up good synergies and combos, and it gives you more information
Reanimation spells and sacrifice engines allow creatures to return far earlier than intended, turning death into value instead of a setback
If you attack during your turn, he puts a +1/+1 counter on a target creature and creates a Food token
In dedicated Sacrifice decks, it's not uncommon for Mazirek to become giant as soon as it hits the field if you have a sacrifice outlet and permanents to sacrifice