Every spell mastery card, as an example, has to have an effect and then a secondary effect somehow tied to the first if spell mastery is in effect
For creature matchups, we have a motley crew of blue cards, with So Tiny being our Sword to Plowshares, Warrant // Warden often permanently answering a creature since we can put it on top of our opponent's deck and then mill it away, Run Away Together offering some fun tricks where we can bounce our opponent's best thing and one of our enters-the-battlefield mill creatures, and Flood of Tears being our (very bad) Wrath of God
Arena (MB2-239) - Mystery Booster 2 Arena (MB2-239) - Mystery Booster 2 Wizards of the Coast NOT LEGAL Standard NOT LEGAL Future NOT LEGAL Historic NOT LEGAL Timeless NOT LEGAL Gladiator NOT LEGAL Pioneer NOT LEGAL Explorer LEGAL Modern LEGAL Legacy NOT LEGAL Pauper LEGAL Vintage LEGAL Penny LEGAL Commander LEGAL Oathbreaker NOT LEGAL Standardbrawl NOT LEGAL Brawl NOT LEGAL Alchemy NOT LEGAL Pauper Commander LEGAL Duel NOT LEGAL Oldschool NOT LEGAL Premodern LEGAL Predh , : Tap target creature you control and target creature of an opponent's choice they control
Squirrel Mob , Scurry Oak , Animal Friend , Valley Mightcrafter , and Drey Keeper are all worthy Squirrel friends
Well, five to be precise
