Herald's Horn would probably be better as it can remove about 25% off the cost of all your important cards, and lets you take a peek for them
At its core, the card is a four-mana blue prejudice enchantment that says whenever an opponent casts a creature spell that doesnt share a color with a creature you control, counter that spell unless that player pays X, where X depends on the difference in color
The Solution: A Unified Product The Play Booster directly solved every problem
That said, we have a bit of room we can maneuver with
We can also look to Inspiring Statuary and Alibou, Ancient Witness to provide card selection (to dig for an extra combat or the right equipment) and to burn face to reduce the total number of extra combats needed
This sort of defender that launches a temporary creature token is really powerful in decks with sacrifice payoffs, a Bastion of Remembrance or similar cards