Hearthstone - How to make an 11 health Twilight Drake by Patashu

Make a Twilight Drake 4/11 with its Battlecry

For more science see a Twilight Drake die before its Battlecry goes off: https://www.youtube.com/watch?v=TI4hw...
 

Previously the maximum possible was 4/10 (9 cards left in hand after playing).
However, using Illidan Stormrage, who triggers BEFORE the battlecry, you can fill the missing spot in your hand BEFORE the battlecry goes off, reaching 4/11.