Drip-fed reveals of cards built anticipation for Disney Lorcana: Rise of the Floodborn since the expansion was announced in September, and some immediately stood out as likely power players in the current meta
Once per turn you can get a free discover equal to its toughness
Chatterfang and Slime Against Humanity Zanarkand, Ancient Metropolis and Quina, Qu Gourmet are not an isolated interaction
Creatures with shadow cannot be blocked except by creatures with shadow, and cannot block other creatures unless they have shadow, which fits given the nature of the Unseen world in Lord of the Rings
Either way, this nets plenty of value for your land drops and uses all those extra lands by making them threats
Your creatures are likely going to have +1/+1 counters on them, as it's often better to use riot to give them counters instead of haste