undertaker mtg card Coram, the Undertaker - #1 Ultimate MTG Proxy

There are cards that change this dynamic, either giving you a huge benefit when you discard your own cards or b

When your creatures power or toughness changes you can just turn the dice and increase all the way from +1/+1 to +6/+6 or decrease from -1/-1 to -6/-6. A great way to keep both players aware of the game state and a fine edition to any deck box

These include cards such as Avatar Aang (flying, firebending, transform), Aang, at the Crossroads (Ally fetch, transform), Boiling Rock Rioter (firebending, Ally reanimate), Earth King's Lieutenant (+1/+1 counters), Fire Lord Zuko (firebending, +1/+1 counters), General Tazri (Ally fetch, anthem effect), Hakoda (cast Allies out of your deck, protection), Katara, the Fearless (double triggers), Katara, Water Tribe (vigilance, 1/1 counters, waterbend), Sokka (menace, prowess, 1/1 tokens), and many more

2: Destroy target artifact or enchantment