While Invasion of Regatha has some interesting uses, for the most part, there are other cards that do the same thing but better (Stoke the Flames for the front and Solphim, Mayhem Dominus or Urabrask for the back), which puts the battle in C-tier
Your entire board would attack as 5/5's and you'd draw a card for every creature you control with Kudo already in play
As a collector or player, grading your Temporal Forces cards with Mana Grading offers numerous benefits: Protect Your Investments: Temporal Forces features rare and valuable cards, especially the Secret Rares, Ultra Rares, and Special Illustration Rares
The most common use will be saving your creatures from removal, but the real value of the card is in its flexibility
I recognised the cards that formed the mill engine (Psychic Corrosion and Drowned Secrets) Id seen them put to good use in a series 5 game of Spellslingers with Day 9 playing the deck
Command Beacon sees competitive metagame play in 3 format(s): Commander, Brawl, Duel Commander