Artifact Artifact (CTRL to add secondary) Creature Bello, Bard of the Brambles During your turn, each non-Equipment artifact and non-Aura enchantment you control with mana value 4 or greater is a 4/4 Elemental creature in addition to its other types and has indestructible, haste, and "Whenever this creature deals combat damage to a player, draw a card." Legendary Creature - Raccoon Bard Combat Celebrant If this creature hasn't been exerted this turn, you may exert it as it attacks
Combined with Cauldron Familiar and any kind of sacrifice outlet, Samwise can create infinite Food tokens, and infinite damage, incredibly easily
They can still tap for mana, so you aren't forcing them to have a bunch of Mountains out, but this is a nice and friendlier way to attack people who abuse lands precisely because they are harder to answer and people feel uncomfortable playing land-answers
I also like this with creatures that have a combat damage trigger that scales up with the combat damage dealt
Teval's Judgment - Just read the card name, dragon bro
But what are the best ways in Magic to exploit this interactive mechanic