Theres also a rewind feature which comes in handy if the wrong card is played
Teferi, Hero of Dominaria [Best Control Finisher with Built-In Card Draw] Teferi, Hero of Dominaria is the gold standard for control finishers, perfectly representing why White/Blue is one of the most powerful MTG color combinations for long-game strategies
It should always be a minimum of one, but it could easily be as many as three if the opponent doesnt know what Blue Sky does or doesnt know what deck theyre facing
Doubling Season, however, will not double poison counters since it only doubles counters on permanents
From Neon Dynasty draft boosters you can draft powerful sagas even at common, and decks that care about enchantments, artifacts, or both work great here
Heliod, the Radiant Dawn is a four mana 4/4 that returns one of its controllers enchantments from the graveyard to their hand