album card game pokemon TCG Japanese Precious Collector Box Binder NEW UNUSED Reaper of Souls collection Pokemon - Crimson & Purple

Shirei, Shizo's Caretaker Virus Beetle

Read More: Upcoming MTG Secret Lair Superdrop Promises Insane Foil Value Esika, God of the Tree // The Prismatic Bridge Esika is fine, but largely irrelevant to this discussion, so were just going to focus on the other half of the card, which is The Prismatic Bridge

I believe that we can glean a hint of the answer in Mark Rosewater's latest State of Design article, from July this year

One of them is when your mana doesnt come only from lands, but from creatures, mana rocks and other sources too

So, cards that mention creatures, like Murder, are relevant

Suiting Uril up gets out of hand fast, especially when you can turbo it out using mana ramp, making it a formidable foe that will have all your opponents hating you when you play it