Frontier Siege
Frontier Siege {3}{G}
As Frontier Siege enters the battlefield, choose Khans or Dragons.
• Khans — At the beginning of each of your main phases, add {G}{G} to your mana pool.
• Dragons — Whenever a creature with flying enters the battlefield under your control, you may have it fight target creature you don't control.
Latest set: [FRF] Fate Reforged ( R · #131 )