mtg green pump cards Mono Deck Invigorate — Double Masters (Magic:

I can't see what benefits you're getting from Solemnity (its application is very narrow and there will be lots of games its doing nothing) , Wedding Announcement Flip (its a bad card, and you have too few creatures to make any use of it) , Urza's Sylex (games seldom go long enough for this to ever be able to do anything

Hymn of Rebirth being Green/White is a nice combination of the 'good' resurrection colours

Dawn Charm Dawn Charm seeks to overcome the inherent Fog weakness with modality, though those modes are also rather weak

In that case, Malleable Impostor simply enters the battlefield as a 0/0 creature and is probably put into your graveyard immediately, unless something else is increasing its toughness to keep it alive