The Buck 3 Stud has presented this as a part of another thread, and I am standing by my decisions.
I have also included commentary and my thought process where possible.
WWE World Heavyweight Championship
Randy Orton (c) vs. CM Punk
Punk wins the Royal Rumble, and the storyline on The Road to Wrestlemania highlights the contrast between Punk's career journey vs. Orton's career journey (they'll keep playing up the "Orton has been handed everything" angle)
Also, this will be the last match of the nite and it will also be presented as CM Punk realizing his lifelong dream of being in the "main event" at Wrestlemania, although smart fans like you and me will know that there are more intriguing matches on the card like....
John Cena vs. Hulk Hogan
The story here is if Hogan has one more match left in him...
The answer is yes.
Make the match this year before Hogan gets any older and before Hogan burns his other hand on the radiator of his boat, brother!
Depending on how the match is recieved by the crowd, and how Hogan feels afterwards, they may do a rematch at Xtreme Rules in a Yapapi Indian Strap Match
The Undertaker vs. Brock Lesnar w/ Paul Heyman
The streak is on the line as they finally go through with the tease that 'Taker and Brock had after one of Brock's UFC fights years ago.
Anybody who is concerned that 'Taker can't take Brock's style should look at how The Shield powerbombed 'Taker through a table last year, and also look at the zillion chair shots that HHH gave 'Taker at WM 28.
'The Heartbreak Kid' Shawn Michaels vs. Daniel Bryan
Shawn is not done teaching him a lesson.
HHH vs. The Big Show
Because you have to have HHH on the card, and Vince is still stuck in 1981 where he sees Big Show as an Andre-The-Giant-like "attraction". The casual WrestleMania fan can ooh and ahh when Big Show comes to the ring!
Also, look for Kane to interfere in this match because you have to throw Kane in there to promote his new movie.
WWE Divas Championship
Brie Bella (c) vs. Nikki Bella
AJ Lee gets scewed over royally, but you have to have the Bella Twins fight each other at WrestleMania as this match alone will write 2 episodes of the reality series 'Total Divas' on E!
Brie gets the win when Nikki slips on the co-habitation agreement that John Cena made her sign.
The Shield vs. The Wyatt Family
The split of The Shield finally goes down at WM 30!!!
Dean Ambrose and Roman Reigns get into an argument and then an altercation where they fight all the way to the backstage area. Dean and Roman leave the other Shield guy to fend for himself and The Wyatt's pick up an easy win.
Cody Rhodes vs. Goldust
A well deserved WrestleMania spot for two very deserving performers.
Pre-Show - 2 matches!!!
Intercontinental Championship Match (I'm assuming the IC and US Titles will be unified by WM XXX, and will just be called the IC Title because of its longer history w/ WWE.)
Big E Langston (c) vs. Wade Barrett
Who ever wins this match will lose the rematch the next nite on Raw
WM Battle Royal
Cluster Fuck Battle Royal won by Fandango
Of course, some shilling for WWE Network with the cast of Legends House getting into some hijinx with Santino Marella.
LeSean McCoy of the Philadephia Eagles, Aaron Rodgers of the Green Bay Packers, and Ric Flair each with replica Big Gold Belts in a backstage segment that ends in the three of them awkwardly "wooooing" at each other.
Maria Menunous will be there.
And to sing "America The Beautiful", WWE will try very hard to get Miley Cyrus. WWE will fail, and in Miley's place will get a 2nd tier pop star like Demi Lovato or some shit like that.
Notice how the Buck 3 Stud's projected Wrestlemania XXX card does not feature Batista.
Batista will be injured by the time of WM XXX.