Training Grounds (Extended Art) [March of the Machine: The Aftermath] FAB052 Waterveil Cavern doesn't untap during

Waterveil Cavern doesn't untap during your next untap step

a glowing one can emit a lethal amount of radiation

Phyrexian Juggernaut attacks each combat if able

(Your life total becomes equal to their loyalty

+1: The next spell you cast this turn costs {1} less to cast for each artifact you control as you cast it

Training Grounds (Extended Art) [March of the Machine: The Aftermath] FAB052 Waterveil Cavern doesn't untap duringSet: March of the Machine: The Aftermath Type: Enchantment Rarity: Rare Cost: {U} Activated abilities of creatures you control cost 2 less to activate. This effect can't reduce the mana in that cost to less than one mana.