As we've talked about before, Teferi, Time Raveler and other cheap planeswalkers like Narset and Oko are especially brutal for our deck since we don't have many creatures that can actually attack them
Once it triggers, Raid Bombardment will deal 1 damage to the appropriate player or planeswalker even if the creature's power changes before the ability resolves
Cecil & Kain from Final Fantasy IV Much like his game counterpart, Cecil can transform from a Dark Knight to a Paladin under certain conditions
Whenever equipped creature deals combat damage to a player, you may cast an instant or sorcery spell from your hand with mana value less than or equal to that damage without paying its mana cost
The reasons are much like those for Coldsteel Heart: It's not flashy, it's not game-breaking, but it is incredibly efficient
Proxies are also useful if you want to test out decks before committing to purchasing them