I noticed people using wrestlers from other companies along with other times...so here goes nothing...with everyone in their primes, obviously...

Dream Wrestlemania:

Single:
George "The Animal" Steele vs. Batista

6-Man Tag Team Action:
Demolition vs. The British Bulldogs and Ricky "The Dragon" Steamboat

Triple Threat:
Doug Williams vs. Drew McIntyre vs. Paul Burchill

Single:
Muhammad Hassan vs. Nigel McGuiness

Tag Team Championship:
Legion of Doom (c) w/Paul Ellering vs. The New Age Outlaws w/Chyna

Intercontinental Championship:
Mr. Perfect (c) vs. Rob Van Dam

No Disqualificaiton 4-way Elimination Dance:
Cactus Jack vs. Masked Kane vs. Undertaker vs. Hulk Hogan

Money in the Bank Ladder Match:
Shelton Benjamin vs. Kofi Kingston vs. Homicide vs. Christian vs. Umaga vs. Rey Mysterio

Single - Grudge Match:
CM Punk vs. Shawn Michaels

World Heavyweight Championship:
Eddie Guerrero (c) vs. Bret Hart