Proposal I'm not supposed to show a real picture of a Proposal, so I drew one myself
Sandwurm Convergence I think Beetlejuice said it best with, Whoa
Should it leave the field because of an opponent's card, either by effect or battle, it can replace itself on the field with a Grapha, Dragon Lord of Dark World that's either banished or in the GY, then players that have hands must discard a card--again, to your advantage
For example, this works great with the threatening Bloodmoon Ursaluna-ex as it already has an ability that makes its 240 damage attack cost less Energy depending on how many Prizes your opponent has taken
How many cards are in a Pokmon GO master set
If you are unable to fulfill the requirements, you are still able to place a Digimon card into your support box, but you cannot activate their support ability until you fulfill the requirements