mtg you may play the top card of your library Rules Text: On in any order, 90 cards Wrenn's Resolve

Pumping your Merfolk creatures a bit and granting them a very powerful form of evasion with islandwalk means you are free to keep attacking so long as your opponent controls an island

While Arcane Signet remains the gold standard, and is luckily under $3 due to constant reprinting, the Talisman cycle has largely superseded the older Signet cycle in high-level play

The exciting part is that theres no metagame yet and virtually no banned list to start with (only fetchlands are excluded), so its a brewers paradise

You have other cards like The Binding of the Titans that can loop with creatures like Tragic Poet or Restoration Specialist