You see potential value in some cards included in a Starter Deck, making it cheaper to buy rather than purchasing each card individually or hoping to pull them from Booster Packs
Step 1: The Cats vs
This is the best form of protection available, as it lets the affected creature retain its counters, Auras, and Equipment, while still dodging all in-play effects as if it were in exile
(Just kidding, blue is still the best color, even if the seeded booster pack is not nearly as seeded as the ones used for RTR and GTC
Battle VIP Pass If you want to start sending cards to the Lost Zone, but Comfey isnt in your first hand, youll need to use the Battle VIP Pass
If a Mountain you control leaves the battlefield between the time Valakut's second ability triggers and the time it resolves, be aware of whether that was the Mountain that caused Valakut's ability to trigger or not