That can be a really cheap way to earn one Energy per permanent
This approach helps ensure fair availability and protects high-demand stock, especially around major set launches and prerelease periods
Storrev is surprisingly an elf, and Riftsweeper is still reasonably cheap as a way to get our Shaman of the Pack back when it takes a Swords to Plowshares to the face
Here is the list of budge creatures with green card draw abilities attached to them: Elvish Visionary When Elvish Visionary enters the battlefield, draw a card Garruks Packleader Whenever another creature with power 3 or greater enters the battlefield under your control, you may draw a card Llanowar Visionary When Llanowar Visionary enters the battlefield, draw a card Tap: Add 1 green Soul of the Harvest Trample Whenever another nontoken creature enters the battlefield under your control, you may draw a card Wall of Blossoms Defender When Wall of Blossoms enters the battlefield, draw a card Bonus Green Card Draw: A Garruk Planeswalker
At the moment, Snorlaxs Gormandise does this better (seven cards) but guess whos leaving standard in February, so this card may get a revival