Intet, the Dreamer [Planar Chaos]

Intet, the Dreamer [Planar Chaos]Set: Planar Chaos Type: Legendary Creature Dragon Rarity: Rare Cost: {3}{G}{U}{R} Flying Whenever Intet, the Dreamer deals combat damage to a player, you may pay {2}{U}. If you do, exile the top card of your library face down. You may look at that card for as long as it remains exiled. You may play that card without paying its mana cost for as long as Intet remains on the battlefield.

After its encounter with the spriggan

Radiant's eyes flashed

Set: Visions Type: Creature — Griffin Rarity: Uncommon Cost: {3}{W} Flying

Put all cards from the pile of your choice onto the battlefield under your control and the rest into their owners' graveyards

sacrifice an artifact

Set: Commander 2016 Type: Legendary Creature — Human Warrior Rarity: Rare Cost: {2}{R} First strike

Set: Modern Masters Type: Legendary Creature — Dragon Spirit Rarity: Mythic Cost: {4}{W}{W} Flying

or projectile

Reverse Type: Legendary Creature — Werewolf Whenever this creature transforms into Ulrich

Set: Dominaria Type: Creature — Merfolk Wizard Rarity: Uncommon Cost: {U}{U} Flash

the slith have more than adapted to the perils of a metal world

Set: Fate Reforged Type: Instant Rarity: Uncommon Cost: {3}{G} Mill four cards