Ixalan

Burning Sun's Avatar | Creature | Dinosaur Avatar | When Burning Sun's Avatar enters the battlefield, it deals 3 damage to target opponent or planeswalker and 3 damage to up to one target creature. | Randy Vargas

Sunbird's Invocation | Enchantment | | Whenever you cast a spell from your hand, reveal the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value X or less from among cards revealed this way without paying its mana cost. Put the rest on the bottom of your library in a random order. | Christine Choi