Di Lu Horse

Bestow 4{w}
Vigilance
Whenever Di Lu Horse or enchanted creature is in combat, reveal the top card of target player's library. If its converted mana cost is less than or equal to 2, Di Lu Horse or enchanted creature gets -1/-0 until end of turn; if its converted mana cost is higher than 5, Di Lu Horse or enchanted creature gets +2/+2 and indestructible until end of turn.
Enchanted creatures gets +2/+3 and vigilance.