Okay so you guys got me thinking about 5 drops and white spells etc so you're in for some #ExperimentalDesigns
Seer's Escort 


Creature - Human Cleric
When Seer's Escort enters the battlefield put two 2/2 white vigilant knight tokens onto the battlefield.

: Scry 1 and gain 1 life.
1/1
Angelic Guide 


Creature - Angel
Flying, vigilance
When Angelic Guide enters the battlefield search your library for a plains card (any land?), reveal it and put it into your hand.
3/5
Ancestral Guardian 

Creature - Spirit Adviser
Flying
Tap 4 creatures you control: Return Ancestral Guardian from your graveyard to your hand.
Cycling


4/4
Planar Shove 

Instant
Put target artifact, enchantment or planeswalker on the top or bottom of it's owners library.
Cycling
Revenant Hulk 

Creature - Zombie Giant


: Put Revenant Hulk onto the battlefield tapped, you lose 1 life.
4/5
You guys gotta give me some input on the potential for some of these white gameplay/ deckbuilding expanding cards. I know putting them at 5 is sorta limiting but I need a nice round safe place to start working.