It is a filler tool and one that is a little outclassed these days
The card advantage on the last abilitys not bad, either
In our example Play Booster, two of the best threats are Relentless X-ATM092 and Gix, Yawgmoth Praetor as "The Shadow Lord." Relentless X-ATM092 is a high-power creature that forces your opponent to block or take damage, while "The Shadow Lord" draws cards over the course of the game
Shrine Rituals/Instants & Sorceries (13) 1x Beast Within 1x Brilliant Restoration 1x Circuitous Route 1x Cultivate 1x Dance of the Manse 1x Dig Up 1x Extinguish All Hope 1x Generous Gift 1x Idyllic Tutor 1x Kodamas Reach 1x Search for Glory 1x Season of Renewal 1x You Happen On a Glade Youll want some green mana to get things started, and the ramp spells here can help you search for the right lands to cast your other shrines and spells
And yes, a Flash Creature with Lifelink that also doubles as essentially free removal is absurdly good
The Power 9 comprises some of the strongest cards in Magic