You need to shuffle back a banished card and shuffle it back into the deck to either negate or destroy a Monster that activated its Effect
Wouldnt it be great if they had a Basic Metal-type Pokmon to start the chunk damage
Ravnica: Clue Edition contains 8 ready-to-play Ravnica: Clue Edition Boosters, 1 Clue Booster containing 21 Evidence cards, 1 Traditional Foil Shock Land Box Topper card, 4 Hidden Info Screens, 1 Evidence Notepad, 1 Case File Envelope, and a sturdy card storage box
"Both is good" Sure, you can't legally cast both sides of a MDFC commander at the same time, but we're playing Commander so there are plenty of ways to make a copy of a permanent
A standard playing card measures 2.5 3.5 inches, which is equal to 63.5 88.9 mm or 6.35 8.89 cm