Any opponent who wants to challenge this character will have to discard their full hand to do so, making it hard to stop her effective lore generation without a Banish card or a major sacrifice
The five dragonlords have been defeated, and the citizens of Tarkir have reconnected with their older clans, and the Abzan, Jeskai, Sultai, Mardu, and Temur have risen again
In this case, its Anafenza, the Foremost
If youre more interested in the go-wide tokens approach, then friend of my discord Skippy668 has a token oriented build that has proven itself many a time that Id like to share
Check out these two Deserts
Discard or sacrifice Dragons proactively so Rivaz always has strong reanimation targets ready