A good rule of thumb is to include about 1-2 MTG tutor cards for every 10-15 cards in your deck
Since I started writing this article we have gained Plague Mare and Plague Engineer to the cube ranks and that has had an effect on the value of Edicts
Both sides of Tergrid are useful depending on your situation with the Lantern side in particular being capable of ending the game if you happen to have access to infinite mana
Even outside of that you still can sacrifice your team to kill someone low at life or before a Living Death resolves
I've bumped up the amount of Equipment and Auras in the deck, added more ramp with cards like Knight of the White Orchid, Everflowing Chalice, and Dowsing Dagger, added more card draw with Akiri, Fearless Voyager, Puresteel Paladin, and Mask of Memory, and generally increased the speed and efficiency of the deck: And here are the cards I'll cut for the upgrades: Finally, here's Arm for Battle with the $20 upgrades installed: $200 Arm for Battle Upgrade The $200 upgrade shifts the precon towards a more pure Equipment Voltron strategy
MTG Vigilance FAQs Do Creatures with Vigilance have Summoning Sickness