Training Grounds [The List] 263 Your opponent cannot Synchro Summon

Your opponent cannot Synchro Summon

When your opponent activates a card or effect that targets a card(s) you control (Quick Effect): You can Tribute 1 monster this card points to

For a Synchro Summon

Set: The List Type: Sorcery Rarity: Uncommon Cost: {2}{U} Search your library for an artifact card

Negate the activation and the effect of the card and destroy it

Training Grounds [The List] 263 Your opponent cannot Synchro SummonSet: 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.