mtg niv mizzet commander deck Niv-Mizzet, Parun CARD DRAW INSTANT SORCERY Spells Magic Custom Co – CommanderComplete reveal the top ten cards of your library Niv-Mizzet Commander Deck - Izzet

While that can be huge (especially while chaining together rituals), you're unlikely to get there as your opponents will start to target her before she can get to seven loyalty

At their best, shield counters provide an easy way for a card to two-for-one your opponent, forcing them to expend one card to remove the shield counter and another card to finally kill the New Capenna creatures

This means its easy for a Choco deck to go wide, and therefore get a lot of benefit out of its ability

Straight up killing a creature on entering is perfect for that

Synergic with counter and draw due to the flash, good at hitting planeswalkers both before and after they hit the board