If, during your declare attackers step, Ursine Monstrosity is tapped, is affected by a spell or ability that says it can't attack, or hasn't been under your control continuously since your turn began (and doesn't have haste), then it doesn't attack
Foil Treatments & Variants Collectors can expect a wide range of premium finishes, including: Standard holographic foils Reverse holo patterns Energy-style holo effects Pok Ball holo patterns Master Ball holo patterns Gem Packbranded foil stamps Illustration Rare holographic cards These layered foil treatments are a defining characteristic of the Gem Pack series and a major reason for its popularity among display-focused collectors
As such, I mentioned I was interested in testing out a Mono Black Cabal Coffers/Urborg, Tomb of Yawgmoth plan to just cast the boom booms as most of them were Black anyway
Basically, the difference is that in this version of the deck, the games where you drain them go a lot longer (though you can also just kill them with Lovestruck Beast beatdown) and draining them is the gameplan, as opposed to finishing off what the creatures already started
Due to their age and lack of relevance in constructed formats people often forget Nature's Lore, and indeed the Three Kingdoms version