It's a classic and well-loved mill card, but its focus on just a single target does make it feel puny in a multi-player MTG format like Commander
Colossal Rattlewurm There's nothing subtle about the statline on this 4-drop green creature
Here's what the packaging of Zendikar Rising will look like
So while I often have EDHREC numbers for something like this, today, thats not a piece of data that Im using for assessing where were at and where we might be going
You would think 'Explore' would be a significant enough difference, but then again, 'explore' mainly does card draw and counters, which Kumena already has covered
Instead, as the second triggered ability resolves, you may cast the card