Renekton, Shuriman Butcher

Whenever Renekton deals combat damage to a player, creature, or planeswalker, it gains one fury counter.
If it has 3 fury counters when it attacks, remove them
to empower one of the abilities below.
When Renekton attacks, choose 1-
• Renekton gains First Strike until the end of the turn. Empowered- Renekton gains Double-Strike until the end of the turn.
• Tap target creature. Empowered- Tap target creature and it does not untap during its controller's next untap step.