I found this in green/black:
Fetch two, and reanimate one somehow.
Or there's this, but it's double-black and expensive:
We need more tutors!
There are a couple of green cards that let you play a bunch of stuff depending on how much mana you put in, I forget what they are called, green sun zenith perhaps?
Not in standard now though! It's a shame, because the zenith one would be handy.