Oketra the True (Invocation) [Amonkhet Invocations] XY181 then discard 1 card

then discard 1 card

Set: EX: Crystal Guardians Type: Metal Rarity: Ultra Rare Retreat cost: Colorless

The monster Special Summoned this way is removed from play at the end of the turn

Xenagos isn't a creature

Set: Magic 2014 Type: Instant Rarity: Rare Cost: {W} Your opponents can't cast spells this turn

Oketra the True (Invocation) [Amonkhet Invocations] XY181 then discard 1 cardSet: Amonkhet Invocations Type: Legendary Creature God Rarity: Mythic Cost: {3}{W} Double strike, indestructible Oketra the True can't attack or block unless you control at least three other creatures. {3}{W}: Create a 1 1 white Warrior creature token with vigilance.