Lifegain and mill don't overlap much in Magic, though Hope and a few stray cards like Space-Time Anomaly have carved out space for this crossover
Basic Land Swamp Common Deven Rue null/null LEGAL Standard LEGAL Future LEGAL Historic LEGAL Timeless LEGAL Gladiator LEGAL Pioneer LEGAL Explorer LEGAL Modern LEGAL Legacy LEGAL Pauper LEGAL Vintage LEGAL Penny LEGAL Commander LEGAL Oathbreaker LEGAL Standardbrawl LEGAL Brawl LEGAL Alchemy LEGAL Pauper Commander LEGAL Duel NOT LEGAL Oldschool LEGAL Premodern LEGAL Predh (: Add .)
Card Draw is a Blue mechanic and Lifelink is a White mechanic, so Zelda ended up as a White Blue creature
WotC wanted to make sure that any future dungeons printed in Magic would not end up being power-creeped by a repeatable venture effect
Ruled over by Sauron, Lord Of The Rings, this is a graveyard recursion deck that both pulls creatures out of your graveyard, and also amasses a huge army of Orcs at the same time
Of course, if you played a Grim Monolith on turn two, you could realistically play Academy Rector on turn three, then immediately sacrifice it to Phyrexian Tower, giving you a Yawgmoths Bargain and three mana to work with