name: Frontier Siege
originalText: As Frontier Siege enters the battlefield, choose Khans or Dragons.\n• Khans — At the beginning of each of your main phases, add {G}{G} to your mana pool.\n• Dragons — Whenever a creature with flying enters the battlefield under your control, you may have it fight target creature you don't control.
printings: C17, FRF, SCD, TDC
text: As this enchantment enters, choose Khans or Dragons.\n• Khans — At the beginning of each of your main phases, add {G}{G}.\n• Dragons — Whenever a creature you control with flying enters, you may have it fight target creature you don't control.
type: Enchantment