booster boxing Booster-Fightgear-Europe - Fightwear Shop the gloves fit securely and stably on the wrist Booster Champion Pink- Kids (Kick)Boxing

Its deceivingly simple, and yet, quite good

The most likely reasons are if it's sacrificed, if it's legendary and another legendary permanent with the same name is controlled by the same player, if it's a planeswalker and another planeswalker with the same subtype is controlled by the same player, if it's a creature with toughness 0 or less, or if it's an Aura that's either unattached or attached to something illegal

In that case the card is not cast and simply remains where it is (which in the case of Omen Machine is the exile zone.) With a card like Wear // Tear, however, the situation is a bit more complex

Water - Psychic/Effect 0/0 If this card is in your Graveyard and you control 1 or more continuous "Cubic" Spell/Traps card: You can banish this card from your Graveyard, then target 1 "Cubic" monster in your Graveyard