After the first turn, Search for Tomorrow is generally worse than other options, which makes drawing multiple bad and makes drawing it in hands that need to use Arcums Astrolabe for green bad, so Ive gone down to one, since it is the best first-turn play if you have it, and Im also playing one Sakura-Tribe Elder, one Cultivate, and one Kodamas Reach
The more you recast it, the more cards you exile
ReconfigurePay or
Even better, you can pay one Red mana to give it +1/0 until the end of turn too
In this style of deck, youll want to be playing cards that boost or protect legendary creatures, like Shanid, Sleepers' Scourge, which gives your legendary creatures menace, and Ratadrabik of Urborg, which creates token copies of your legendary creatures when they die