Clock of Omens [Fifth Dawn] Rivals of Ixalan Dinosaur spells you cast have

Dinosaur spells you cast have prowl {2}{R}

Set: The Hunted Finish: Rainbow Foil Type: Attack Reaction Rarity: Majestic Class: Warrior Cost: 1 If you're attacking with a weapon this chain link

Set: Sword & Shield: Silver Tempest Type: Supporter Rarity: Ultra Rare

search that player's library for an artifact card and exile it

Set: Platinum: Rising Rivals Type: Fire Rarity: Holo Rare Retreat cost: 0

Clock of Omens [Fifth Dawn] Rivals of Ixalan Dinosaur spells you cast haveSet: Fifth Dawn Type: Artifact Rarity: Uncommon Cost: {4} Tap two untapped artifacts you control: Untap target artifact. Those near the clock don't hear it anymore, but their every movement is in time with its ticking.