Etali, Primal Storm [Rivals of Ixalan]Set: Rivals of Ixalan Type: Legendary Creature Elder Dinosaur Rarity: Rare Cost: {4}{R}{R} Whenever Etali, Primal Storm attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs. The storm rages and the earth breaks.

Set: Gym Challenge 1st Edition Type: Lightning Rarity: Uncommon Retreat cost: Colorless

Set: Scourge Type: Sorcery Rarity: Uncommon Cost: {2}{B}{B} Target player loses 2 life and you gain 2 life

Set: Diamond & Pearl: Base Set Type: Grass Rarity: Holo Rare Retreat cost: Colorless

Set: Expedition: Base Set Type: Item Rarity: Uncommon

Set: Sun & Moon: Guardians Rising Type: Metal Rarity: Secret Rare Retreat cost: Colorless

Set: XY: Roaring Skies Type: Lightning Rarity: Common Retreat cost: Colorless

Set: XY: Flashfire Type: Colorless Rarity: Ultra Rare Retreat cost: Colorless

if you control your commander

" —Sydri

Set: Gym Heroes Unlimited Type: Psychic Rarity: Uncommon Retreat cost: Colorless

If you control a white permanent

Set: Diamond & Pearl: Great Encounters Type: Darkness Rarity: Uncommon Retreat cost: Colorless