Combos Utilizing Leonin-Elder

engine creats artifact pest token. gain 1 life from elder. sac that token to elemental during its upkeep. opponent loses 1 life from disciple of the vault

bring tons of myrs and since they are artifacts arcbound crusher gets huge and you gain tons of life

Convert the Coils into a creature by paying 1 (X=0). This sends the Coils to the graveyard as a 0/0 creature and untaps the Station. Tap the Station to return the Coils to play. Disciple and Elder stand by for life gain/loss.

get a few creatures and sac em to teh spawning pit. from there, make a few spawns and sac them and continue the loop until you can't anymore. your crusher will get a power boost each time a spawn enters play! the other two are add ons that work well

engine creats artifact pest token. gain 1 life from elder. sac that token to feeder (it gets +1/+1 counter). opponent loses 1 life from disciple of the vault

one life for two mana.

You're going to need two Myr Retrievers, but infinite black mana without any life loss is pretty good for Goblin Cannon or Consume Spirit. Leonin Elder will cancel out the life loss.

drop a scropion, leonin elder, and a megatog or somthing. imprent ornothropter on the soul foundry and get a free one....sac it untap the soul foundry wash rinse and repeate....unlimited life and powe

simply use myr incubator to create many tokens, gaining a lot of life (elder). can also use to pump broodstar, or megatog

turn 1: play plains and elder. Turn 2: play land and a myr retreiver. Turn 3: Play land and ashnod's altar. sac the retriever in play to create 2 mana to play ur other retriever and u gain infinite life turn 3!