Well, first thing's first, you should know what you're trying to do
If youre looking to get back into Santas (and your opponents) good graces, you can gift your opponent a card from your deck instead
Source: Wizards of the Coast Magic: The Gathering Video Game(s) Magic: The Gathering, Magic: The Gathering Arena
This is a Sphinxs Revelation deck, and they always get better after sideboarding (like all card draw)
Rulebook and borderless cards can be found in traditional foil and non-foil in Set, Draft, and Collector Boosters
Dragons get access to their own suite of support cards, including some excellent ramp options with Orb of Dragonkind, Sarkhan, Fireblood, and Dragonspeaker Shaman