Training Grounds [Rise of the Eldrazi] XY141 you can Special Summon this

you can Special Summon this card by Tributing 1 monster

"I'm one masterpiece away from ruling this pathetic world

if this card attacks a face-up Defense Position monster: Destroy that monster

{T}: Search your library for a colorless creature card

also send 1 "Elemental HERO" monster from your Deck to the Graveyard

Training Grounds [Rise of the Eldrazi] XY141 you can Special Summon thisSet: Rise of the Eldrazi 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.