Orim's Chant [Planeshift] Sarkhan Set: Kaladesh Inventions Type: Artifact

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {3} You may choose not to untap Vedalken Shackles during your untap step

−8: Chandra Nalaar deals 10 damage to target player or planeswalker and each creature that player or that planeswalker's controller controls

Sacrifice Engineered Explosives: Destroy each nonland permanent with mana value equal to the number of charge counters on Engineered Explosives

If that spell is countered this way

any player may discard three cards

Orim's Chant [Planeshift] Sarkhan Set: Kaladesh Inventions Type: ArtifactSet: Planeshift Type: Instant Rarity: Rare Cost: {W} Kicker {W} (You may pay an additional {W} as you cast this spell.) Target player can't cast spells this turn. If this spell was kicked, creatures can't attack this turn.