Second try, since the first one does not seem to work really well. Its supposed to bring reliability. Not sure if completely OP, or just slightly. Suggestions on fixes are more than welcome.
Action/Duration - $5
+$2
+1 Buy
At the beginning of your next turn, play all cards set aside with this and discard this.
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While this is in play, if you gain an Action, set it aside.
Notice that if you have several in play, you get to choose which one is setting aside each gained Action (as a corollary of "you get to choose the order of simultaneous effects"). Also, if nothing is set aside, this is discarded normally and it is just an expensive Woodcutter.