If they wanted a second Kiki-Jiki like effect (aside from Splinter Twin), Fable of the Mirror Breaker is a decent option
Then you can get them to arrive bigger with a +1/+1 counter and then you can spend two Gruul mana when a 4-power dork arrives to have Slinza fight them
It meant anticipating the Archenemys moves, and attempting to counter and block everything thrown our way at once, and then gearing up to build our forces once again
The Commander: The Swarmlord The main face of this deck is The Swarmlord , Tyrantlord of the Tyranid Hivemind and the biggest and strongest Tyranid of the fleet
Unlike Tarkir , we dont have much of an incentive to go five colors, so the mana fixing part isnt that relevant
Note that Spore Cloud is better in multiplayer as it'll tap down blockers and keeps them from untapping too, so if Steve attacked John and he blocked, you can lock them both down for a while