In the extra deck i play Constellar Pleaides, that can be summoned using two trap monster, the train package, useful to OTK, Cyber dragon Nova and Mechaba for the matchup against Dogmatika, Imduk, that can be useful to send a trap monster to the GY and many Punishment targets
Obvious contenders are Snapcaster Mage and the like - creatures that accrue their value when entering the battlefield or in response to an opponent's attempt at a maneuver, and can then be used to counter a new threat later
When your opponent activates a card or effect (Quick Effect): You can send 1 card from your hand to the GY
They also enhance Fusion, Synchro, Xyz, and Pendulum Summoning strategies, so these cards go great with High-Speed Riders, Wing Raiders, Dragons of Legend -Unleashed-, Destiny Soldiers, and Fusion Enforcers
What did you think
7 Trickstar Aqua Angel - Collectors Rare - $49.72 Look At Your Opponents Hand And Field Trickstar Aqua Angel has an effect that lets you predict all of your opponents plays