Heliod's Betrayal

Your creatures or enchantments can help cast this spell. Each creature or enchantment you tap while casting this spell pays for {1} or one mana of that permanent's color.
Put target planeswalker into its owner's graveyard. (This does not count as destroying the planeswalker.) Remove X loyalty counters from each other planeswalker its controller controls and that player loses X life, where X is that planeswalker's converted mana cost.