Kaelus, Flame-Bound Duelist

Haste
Whenever Kaelus attacks, if you control another legendary creature, Kaelus gains double strike until end of turn.
Whenever a legendary creature you control deals combat damage to a player, you may choose one that hasn’t been chosen this turn:
• Kaelus deals 2 damage to any target.

• You gain 3 life.

• Scry 2.