mtg cards with channel Lake Frigid | Tales of Aria (Unlimited) add 1 to your mana pool. t:creature o:"channel" · Scryfall Magic:

Yes the opponent still has a choice, but is it much of a choice

Golgari Findbroker

They were played within games and their fragile black borders were easily chipped

Effectively a 7-mana 5/5 with a keyword soup pulled from that original cycle of equipment, Kaldra Compleat is a nigh-unkillable threat and represents one of the top-end finishers in Stoneforge Mystic decks

Sturm and Artz have an incredible record of success 99% of their clients stay out of jail and keep their license on first or second DUI offenses, and they win Not Guilty verdicts all charges dismissed in 90% of their DUI jury trials, even in cases involving prior convictions, accidents, high blood alcohol levels, and BAC test refusals

It offers a lot more card quality than Sylvan Library and also some graveyard synergies but as it does nothing else, is always card disadvantage and is three colours so it has not seen any play yet