It does everything from extending the board with creature tokens from effects like Bitterblossoms to drowning you in riches when paired with Smothering Tithe, thus pushing token-based strategies to another level
Since Terra doesnt bring the reanimated creature back tapped and attacking, its a fundamentally less aggressive commander, but the lower mana cost to reanimate the creature gives you more flexibility on the turns you use the ability
Over time, this repeatable advantage allows Thrasios to scale smoothly into the late game and support a wide range of Partner pairings
The simple fact is, in September 2014 R&D announced they would make the two annual blocks equal, and effective that moment, they were on a six-month schedule
This is going to be played in Standard the entire time its legal, and the same for Commander
If it's the only creature on the field, it can be a nice four hit early game