(For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)
The mulligan rule was even all-land or no-land, rather than what we see today (watch out for Diamond Valley draws) Reaching the finals of the 512-player single-elim Magic World Championship, Zak Dolans list featured lots of generally powerful cards (Moxes and Mana Drains and the like) and an ungodly amount of resource denial
The release of Avatar: The Last Airbender more than doubled the number of lesson cards, and the incentives to put them in your deck increased in the same proportion
This version of the Phyrexian Obliterator by Yu-ki Nishimoto has a more dinosaur look to it, stalking its prey as the perfect weapon of destruction that Phyrexia has at its disposal.
The set designers still wanted access to a keyword that provided evasion and so horsemanship was born
This will likely get jammed in Prossh, Ghave and Skullbriar decks as well as being a good commander in its own right