Have Gideon Battle Forged maxed out at level 60. It took me a while to figure out this deck, but now that I have and end game build for it, I absolutely love it. Total powerhouse Deck build if you can get the cards.
The Angel Deck
Creatures
Archangel of Tithes (Mythic) - Mana Cost 18 - 7/9 Angel with flying. Every time a creature attacks you, you gain two mana for each creature. Really like this card for the effiecient mana cost for what it is, and for the major mana battery effect. Who doesn’t love a big beast mana battery that flies?
Emeria Shepherd (Mythic) - Mana cost 11 - 4/4 Angel with flying. Every time you landfall white, a creature that has died comes back on the board. Every time you landfall, a creature that has been killed goes back in your hand. Very effiecient mana cost for a 4/4 with flying. Not to mention the revive effects.
Linvala the Preserver ( Mythic ) - Mana cost 17 - 8/8 Angel with flying and Regen 4. Gain 10 life when this enters the battlefield. If your opponent controls 3 creatures, summon 2 4/4 angels along with Linvala. Again, very efficient mana cost for a very nice high end beast, with a pair of huge bonuses.
Support
Suppression Bonds - mana cost 6. First creature your opponent controls is stunned. Very low mana cost for this effect. The one draw back is that this support only comes with one shield. So you need to protect it, or reinforce it. I like this card for the effect, and because it pairs quite nicely with a support heavy deck. It also pairs with the spell swift reckoning.
Shrine of the Forsaken Gods - Mana cost 5 - Very low cost automatic mana battery. I love this card, and use it in almost all of my decks, even when I don’t have a colorless heavy roster. I prefer it over the other option for white, which is the various dual land supports.
Mirrorpool (rare) - Mana cost 4 - Another card that I love, and will use in most of my decks. Very efficient, and sneaky reinforce. Pairs quite nice with the already big Linvala, and Archangel. When paired, it creates a 14+ damage super angel, and mana cost of total at most 22 mana. Very efficient card.
Hixus, Prison Warden (Mythic) - mana cost of 6 - Every creature that hits your plainwalker is permanently stunned while this support is in play. Fantastic lockdown stun card. Like suppression bonds, the drawback is that it only comes with one shield on it, so it needs to be supported, or protected.
Sigil of the Empty Throne (Gold) - Mana cost of 14 - When this support is out, every time you play a support card, you summon a 4/4 angel token with flying. While the mana cost on this card is quite high, I have found this card to be immensely useful for this deck. It is a large part of the reason for having 5 total supports, with the other 4 all being low costing. The pair allows you to summon very powerful angels, whenever you play one of the above cheap support cards. Really works well with this build. Just played a game where this triggered 9 times. I got none of my beasts to draw, however, ended up winning the game with a token angel with power of 40+ with buffs by the end!!!
Spells
Smite the monstrous (common) - mana cost of 8 - This card may be a common, but it gets the job done. I like this card a lot for my white decks, to take care of the bigger beasties 
Swift Reckoning (uncommon) - mana cost of 6 - Another DD instant kill spell. Pairs very nicely with Suppression Bonds, and Hixus, to give a cheap instant kill.
Pair all of the above with Gideon’s power up abilities, which are a variety of individual, and aoe buffs, and what do you get? A powerhouse stun lock angel deck that will win you most matches.
