Once you have threshold, you can start making 8/8 tokens, and you can engineer this situation quickly with fetch lands or self-mill
These can be: 1 of 10 Traditional foil Japan Showcase cards in English (6%)* 1 of 10 Traditional foil Japan Showcase cards in Japanese (3%)* Japanese Collector Boosters will only have the 10 traditional foil Japanese-language versions of the Japan Showcase cards
When the permanent enters, the chosen opponent receives the gift
If an opponent ends up choosing the mode, they also must choose a legal mode
Like the puppies, a deck could cram as many copies of relentless rats into its list as possible - unlike Lorcanas version, the rats powered each other up as more vermin flooded the battlefield
Augur of Autumn Cards that let us play lands from the top of the library are good, like Courser of Kruphix