MB2: Arena, Land {3}, {T}: Tap target creature you control and target creature of an opponent’s choice they control. Those creatures fight each other.

Arena

3, T: Tap target creature you control and target creature of an opponent’s choice they control. Those creatures fight each other.

Name	Type	Subtype	Color	Cost	Rarity	Set	Price
Arena	Basic Land	-	Colorless		Special	Time Spiral "Timeshifted"	$5.41 +$0.02
Arena	Basic Land	-	Colorless		Special	Media Promos	$7.59