Combos Utilizing Replenish

pump graveyard full of enchantments, then bring them all out

stock up your deck with enchantments, then use the shift to pu tthem all in the graveyard and then play replenish to put out as many enchantments as you want without paying thier costs.

use the attunement to get a lot of enchantments to your graveyaed and then use replenish and get a lot of creatures from your enchantments using opalescence and then use the creatures with opposition

^As seen above^ but can also Replenish the enchatment for later use.

Cast Tranquility to destroy yours & your opponent's enchantments. Bring yours back into play with Replenish

Use doth to get avatars, use replenish to get doth back, repeat

If you are not playing white, cast Essence Filter to destroy yours & your opponent's enchantments. Bring yours back into play with Replenish

Cast Tranquil Grove to destroy yours & your opponent's global enchantments. Bring yours back into play with Replenish

Have Saproling Burst, Pandemonium and the furnace (optional) in your graveyard. Replenish and BOOM!!! 42 damage!!!

basically discard to do 4 damage, replenish makes the deck just green/white so its optional