By purchasing Champion, you'll receive

Champion Rank Prefix
A Custom Nickname
Access to /nick
Access to /rtp (random teleport)
8 Sethomes (Unless your vote rank has more, does not stack)
4000 Claim Blocks

Items
Your Own Player Head
1x Unbreakable Diamond Pickaxe
1x Unbreakable Diamond Shovel
1x Bee Spawn Egg
32x Diamonds
8x Enhanced Potion of Night Vision (20 minutes)
6x Explorer's Potion (Multiple Effects)
Champion's Full Helm (Netherite Helmet, Unbreaking 3, Protection 4)
Explorers Boots (Colored Leather Boots, Feather Fall 4, Unbreaking 7, Knockback Resistance + 1)

Heads
Birdhouse
Toaster
Mailbox
Clock
Wooden Flowerpot