Illusionary Mask [Limited Edition Beta] Rivals of Ixalan if that spell's mana cost

if that spell's mana cost is {3}{U}{U}

you may create a 1/1 white Bird creature token with flying

up to one target creature gets +1/+1 and gains first strike

Moving without sound

you may return that card to the battlefield under your control

Illusionary Mask [Limited Edition Beta] Rivals of Ixalan if that spell's mana costSet: Limited Edition Beta Type: Artifact Rarity: Rare Cost: {2} {X}: You may choose a creature card in your hand whose mana cost could be paid by some amount of, or all of, the mana you spent on {X}. If you do, you may cast that card face down as a 2 2 creature spell without paying its mana cost. If the creature that spell becomes as it resolves has not been turned face up and would assign or deal damage, be dealt damage, or become tapped, instead