Exclusively spoiled on Pojo.com, check out Mordant Dragon.

[easybox]Mordant Dragon 3{R}{R}{R}

Creature - Dragon (Rare)

Flying

1{R}: Mordant Dragon gets +1/+0 until end of turn

Whenever Mordant Dragon deals combat damage to a player, you may have it deal that much damage to target creature that player controls.

5/5 #85/145

Artist: Scott Chour[/easybox]