They play well together and can certainly hold their own out in the wild
Aster takes him as his student and teaches him about the stressful life of being a Pro League duelist
The Big Guy: While Ra and Slifer have various special abilities and gimmicks to their Attack and Defense scores that require strategy to make work note , Obelisk's effect is to automatically inflict 4000 damage for two tributes (in the anime, this is a One-Hit KO), and his Attack and Defense are set at 4000
In fact, his reliance on Razor Leaf Bulbasaur into Dark Ivysaur is rather similar to our mono-Grass deck from way back
This means that no matter how much removal your opponents have in hand, you can simply cast Tergrid turn after turn and eventually see the fruits of her labor
Imperial Tombs is marginally better since it protects the player's board single-handedly, while Hidden Temples requires their board to be protected to remain in use