Highcliff Felidar [Game Night 2019] Turtle Hydra "My skills are wasted here

"My skills are wasted here

Set: Urza's Saga Type: Instant Uncommon Cost: {B} Until end of turn

Comet Storm deals X damage to each of them

Set: Rivals of Ixalan Type: Legendary Creature — Elder Dinosaur Rare Cost: {5}{U}{U} This spell can't be countered

Highcliff Felidar [Game Night 2019] Turtle Hydra "My skills are wasted hereSet: Game Night 2019 Type: Creature Cat Beast Mythic Cost: {5}{W}{W} Vigilance When Highcliff Felidar enters the battlefield, for each opponent, choose a creature with the greatest power among creatures that player controls. Destroy those creatures. Once the felidar has marked you as prey, there's no point in running.