Daenerys, Breaker of Chains

Sacrifice a land: Create two 1/1 red and white
Soldier creature tokens with lifelink and haste.
Whenever one or more creatures you control deal combat damage to a player, reveal cards from the
top of your library until you reveal a land card.
Put it into play tapped and the rest on the bottom
of your library in any order.
{r}{w}{b}: Search your library for a Dragon creature
card and put it on top of your library.