The range of cards that provide tokens in white are super accessible from the efficient Captain of the Watch, to the world champion caliber Decree of Justice, and the humble Gather the Townsfolk
An example being I think Headliner Scarlett did it, with the Knife, in the Dining Room. If that player has any of the cards you suggested to them, they must show you one of them
For only one red mana, this legendary 2/1 monkey pirate creates a treasure token whenever it deals combat damage to a player, even exiling the top card of the defending player's library, allowing its controller to cast that card this turn
Mirrodins (2003) Card not found gives you five cards for five mana, which is very efficient, when taking into account the card you have to use to get the effect
Aminatou, Veil Piercer Is The Second-Best Duskmourn Commander Unique Flavor & Raw Power At The Cost Of Flexibility Aminatou, Veil Piercer is similar to (although not quite on par with) Valgavoth in terms of flexibility