Then no one can cast things from their graveyards and I don't have any flashback or other cards that would do that, just the Regrowths mentioned
(Whenever another Merfolk you control becomes the target of a spell or ability an opponent controls, counter it unless that player pays .) Legendary Creature - Merfolk God Commander (CTRL to add secondary) Anthem Anthem (CTRL to add secondary) Creature Creature (CTRL to add secondary) Draw Mystic Remora Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays
Each playmat is made with a soft fabric top to reduce damage to cards, and the non-slip rubber backing keeps the playmat from shifting during use
What makes Brigone good is that once it no longer becomes advantageous to attack, you can tap her to start removing those +1/+1 counters to draw cards
If they are playing multiple cards together as a single action or effect, they can choose the order in which the cards activate
Until then, may you Gerrard's Wisdom for 14