Lots has been said about Merfolk Branchwalker and Jadelight Ranger as well at the explore mechanic as a whole, but giving selection and card advantage to efficient creatures has always been a recipe for powerful cards in Standard
Table of Contents show What Are Golgari Lands in MTG
You can also try to tap down your opponents haste creatures
The deck tends to struggle vs control decks/decks that try to make the game as long as possible, since at some point drawing cards like Force Spike or Mother of Runes is similar to skip a draw step, and usually control decks have a good way to counter/deal with Aragorn itself
Gurmag Angler is chosen over Tasigur, the Golden Fang because the card Karakas is a major player in the format, and because the average size of a Tarmogoyf is a 4/5
Then, the remaining damage spills over to the player