United Front (PRE-039) - Prerelease Cards Foil Number_175 Union Arena is a "Common

Union Arena is a "Common Rules Trading Card Game" that allows you to play a card game using each of your favorite characters

or planeswalker an opponent controls

Grass Myriad Leaf Shower (30+) This attack does 30 more damage for each Energy attached to both Active Pokemon

Colorless Rainbow Wing (20×) This attack does 20 damage times the number of different types of basic Energy cards attached to Ho-Oh

instead of Alakazam's normal attack

United Front (PRE-039) - Prerelease Cards Foil Number_175 Union Arena is a "CommonCard TypeSorcery RarityMythic Legalities Create X 1 1 white Ally creature tokens, then put a +1 +1 counter on each creature you control.