Ornox, The Alabaster Scaled

Flying, lifelink, vigilance
As long as you have at least 7 life more than your
starting life total, Ornox has indestructible.
Whenever a dragon you control attacks, choose
one that hasn't been chosen yet this turn —
• Gain 7 life for each attacking creature.
• Bolster 7 for each attacking creature.
• Create seven Shard tokens.