You may play that card for as long as you control this creature
Here are a couple: Cyan: Vengeful Samurai is not an easy card to get out given his high cost of 7 Mana, but this can easily be brought down as this number is decreased by one for every creature in the Graveyard
What other collecting goals are you working on
Paired with hyper-aggressive cards like Lilo, Making a Wish and Maleficent, Biding Her Time, Stitch, Rock Star can help you quickly create a board state that's almost impossible for your opponent to deal with
This might even discourage your opponent from swinging at you with their best creatures, giving you a little more time to find an answer
This concept applies directly to Lorcana, but Magic has had 30 years to solidify their color identities, and as such, subsequent set releases will likely alter Lorcanas ink identities in the years to come