Ancestor Dragon

Flying
Whenever one or more creatures you control attack, you gain 1 life for each attacking creature.

Test of Endurance

At the beginning of your upkeep, if you have 50 or more life, you win the game.

Dragon Hunter

Protection from Dragons
This creature can block Dragons as though it had reach.

Rashida Scalebane

{T}: Destroy target attacking or blocking Dragon. It can't be regenerated. You gain life equal to its power.

Selfless Squire

Flash
When this creature enters, prevent all damage that would be dealt to you this turn.
Whenever damage that would be dealt to you is prevented, put that many +1/+1 counters on this creature.

Dragonstalker

Boon Reflection

If you would gain life, you gain twice that much life instead.