41x63mm card sleeves Perfect Fit Premium Mini American (41x63mm) -55 Pack, 100 Microns SKS-3301 Sleeving your cards adds to their bulk so they will take up more room in the box Sleeve Kings Mini American Card

(2018-06-08) If a creature without counters receives enough -1/-1 counters to reduce its toughness to 0 or less, Together Forever's ability can't be activated before state-based actions put that creature into its owner's graveyard

C Common Witch's Strike X TRAP If your opponent negates the Normal or Special Summon of a monster(s), or the activation of a card or effect: Destroy all cards your opponent controls and in their hand

From Coldsnap

Plus, with the ability to give a creature +2/+2 over and over, you're going to have a seriously buffed battlefield

While this list isnt fully exhaustive, I think its enough to get to the heart of answering our question