Lets talk about what I mean by important. To me, the important cards are the ones that needed to be reprinted the most
This can lead to accidentally marking your sleeves, warping your cards, and just generally making your cards and deck frustrating to handle
Sure you can say that about Vannifar too, but it would be a little more tricky, with this you can tutor up any creature that untaps anything and start your chain
Snickering Squirrel This 1-drop can increase your dice rolls if youre in the market for that
Honorable Mentions: Split Second To a casual, non-counterspell player, Legolas's Quick Reflexes, Krosan Grip,Quagnoth, and Stonewood Invocation work about the same
All in all there are lots of cards that are cube worthy that gain life