Its card number is 232/191
Karmic Guide + Reveillark + sac outlet = infinite sacrifices and ETB's for any creature with power less than 2 Helm of Obedience + Rest in Peace = (1,t: Exile target opponent's library) Angelic Renewal + Sun Titan + sac outlet = infinite sacrifices Enduring Renewal + Ornithopter + sac outlet = infinite sacrifices Outrider en-Kor/Lightning Greaves/Shuko + Task Force + Worthy Cause/Animal Boneyard/Miren, the Moaning Well = infinite life Cryptic Gateway + Stormfront Riders + one other soldier creature = infinite tapped 1/1 Soldiers Adarkar Valkyrie + Thornbite Staff + another creature + sac outlet = infinite sacrifices Auriok Salvagers + Lion's Eye Diamond = infinite mana and get back any artifact with CMC 1 or less infinite times And after this, I'm out

(The lack of easily-readable text meant that the card was banned from Standard tournaments for two decades, before a 2019 reprint rescinded the ban - as long as the player brought along a copy of the cards official card database entry.) Despite the absence of readable text, a fairly obvious typo in the little text that does appear - the copyright information along the bottom edge of the card - makes the first printing of the Japanese card even rarer
Each of these will reward you with some number of packs from a different Magic: The Gathering set - and, due to how expensive the cards can be even when you're only playing digitally, they're effectively essential to every player both old and new
That means the only time Silhana is a viable option for a card quality card is when your deck specifically scales with and utilizes creatures
Once they are on the battlefield, your fresh creatures can Crew them for an immediate attack