Barrensteppe Siege [Tarkir: Dragonstorm]

Description

Set:	Tarkir: Dragonstorm
Type:	Enchantment
Rarity:	Rare
Cost:	{2}{W}{B}

As this enchantment enters, choose Abzan or Mardu.
• Abzan — At the beginning of your end step, put a +1/+1 counter on each creature you control.
• Mardu — At the beginning of your end step, if a creature died under your control this turn, each opponent sacrifices a creature of their choice.