Gamble [Urza's Saga] Monkey and that player can't activate

and that player can't activate abilities that aren't mana abilities

When Kokusho

Set: Iconic Masters Type: Creature — Human Monk Rarity: Rare Cost: {W} Lifelink (Damage dealt by this creature also causes you to gain that much life

Set: Time Spiral Timeshifted Type: Creature — Zombie Rarity: Rare Cost: {2}{B}{B} Zombie spells you cast cost {1} less to cast

this spell costs {6} less to cast

Gamble [Urza's Saga] Monkey and that player can't activateSet: Urza's Saga Type: Sorcery Rarity: Rare Cost: {R} Search your library for a card, put that card into your hand, discard a card at random, then shuffle. When you've got nothing, you might as well trade it for something else.