Lesson decks in Standard are powerful because they have many ways to cycle through the deck, like Artist's Talent or Abandon Attachments, while building a graveyard for Accumulate Wisdom
Pulse of the Tangle Theres a cycle of Pulse spells from Darksteel that all share the gimmick of giving you a minor effect, but returning to your hand if youre still down on the particular resource they help with
Trading in 3 mana (2 to activate and the opportunity cost of tapping Fountainport for colorless) and a token for one card isnt the most efficient sac-for-card trade that there is, but youre paying a tax for the modality of all the other abilities and the fact that its a land, not a creature or something
Sire of Seven Deaths The only thing Sire of Seven Deaths doesnt do is have an immediate impact on the battlefield, like enter and draw a card
At the beginning of your end step, return up to one target enchantment card from your graveyard to the battlefield with a finality counter on it
