The sides have produced three draws in their previous meetings this season and only four points separate them with Caley Thistle occupying the crucial third spot in the Clydesdale Bank Premier League ahead of their trip to Perth.
Ahead of the televised noon showdown, Butcher said: "It's set for a titanic battle. I'm sure it will be uncompromising and tough, but both teams are well capable of playing some good football.
"Both teams have players who can be match-winners.
"Meaty, I think I would call it. It could be potentially very meaty. Not for the faint-hearted.
"It's two teams scrapping it out, going toe to toe. It's last-man standing in a way.
"It's a great game to look forward to. St Johnstone last year got Europe and want a repeat of that. We're in uncharted territory.
"If we play the way we like to play and get stuck in as well and match St Johnstone's physical attributes, then we have players who can win games as well."