Kist, The Fire Dragon

Other Dragons you control Get 1+/0+ and cost {1} less to cast.
Whenever a permanent Enters the battlefield
under your control gain life equal to its mana cost
and deal damage equal to its mana cost to any target.
{1}{u}{r}:Create a 3/3 Red/Blue dragon with Flying
Tap all dragons you control Until end of turn
Dragons you control Gain Indestructible.
Dragons you control {1}{ut}: Deal 1 damage to any target.
Partner(Partner Mist, Dragon Of Water.