Sivitri has three abilities, and you can use them for your own protection, to tutor for dragon creatures, or to destroy all non-dragon creatures
However, their prints can be inconsistent and theyre vulnerable to reprints and oversaturation
Its a whole other level of the game, Ive learned, just making these minor adjustments, working out ifsayhaving a Lady card in your deck, that lets you pull four Energies from the deck in one turn, is more efficient than loading up with so much Energy that you can rely on the odds of their landing in your hand
Knuckles the Echidna Knuckles the Echidna wants to hit opponents and knock the rings out of them
Dredge, scavenge, and undergrowth mechanics all care about your graveyard
Note that Dauntless Dismantler really dismantles artifact aggro with that tap clause, in case thats ever a thing