Training Grounds [The List] Stardust Accelerator Promos inflict 400 points of damage

inflict 400 points of damage to your opponent's Life Points each time you activate 1 Normal Spell Card

Set: XY: Primal Clash Type: Supporter Rarity: Ultra Rare

you may have target opponent discard a card

Set: Zendikar Rising Expeditions Type: Land Rarity: Mythic {T}

instead look at the top X cards of your library

Training Grounds [The List] Stardust Accelerator Promos inflict 400 points of damageSet: The List Type: Enchantment Rarity: Rare Cost: {U} Activated abilities of creatures you control cost up to {2} less to activate. This effect can't reduce the mana in that cost to less than one mana. Under the master's eye, skills are honed sharper and spells cut deeper.