Powerful enter triggers are cool and all, but what do you do with the creatures after the trigger
Best Shadow Payoffs Look, its very common to have gold cards in each set nowadays, especially at rare and mythic rarities that incentivize you to build a deck with the mechanic in mind or synergize with said mechanic
For the first loyalty ability, the exiled card will return to the battlefield at the beginning of that player's next end step even if The Eternal Wanderer is no longer on the battlefield at that time
Add in some sales of individual drops, and let's estimate that there might be somewhere around 50,000 of each individual Secret Lair God in existence
If you control a Bird, counter that spell unless its controller pays instead
Two damage is enough to forestall cheap attackers and tokens