Dubious Challenge [Kaladesh] Human Spellshaper Warrior then you may discard any

then you may discard any number of land cards

Set: HeartGold & SoulSilver: Call of Legends Type: Fire Rarity: Rare Retreat cost: Colorless

" —Auriok proverb

Set: Magic 2010 Type: Sorcery Rarity: Common Cost: {R} Creatures you control gain haste until end of turn

Set: Sun & Moon: Base Set Type: Darkness Rarity: Holo Rare Retreat cost: 0

Dubious Challenge [Kaladesh] Human Spellshaper Warrior then you may discard anySet: Kaladesh Type: Sorcery Rarity: Rare Cost: {3}{G} Look at the top ten cards of your library, exile up to two creature cards from among them, then shuffle. Target opponent may choose one of the exiled cards and put it onto the battlefield under their control. Put the rest onto the battlefield under your control.