mtg ikoria commander precons Magic: The Gathering Symbiotic Swarm Deck | 100 Card Deck Commander Legends Commander Decklists |

At its heart, Affinity is an aggro deck, but since it relies on synergy between its cards to function, it certainly has a combo component to it

(To surveil 1, look at the top card of your library

My inclination is to go for an artifact token focused build with Treasure production and Brudiclad, Telchor Engineer to provide plenty of pressure with Akiri, while Silas provides late-game card advantage

#2 Gotta be And These are, similarly to the OP's, two lands from the same set

Whenever you cast a creature spell with power 7 or greater, this enchantment deals 4 damage to each opponent and each creature and planeswalker they control

Echo Echo is a way to obtain a more efficient card by paying the cost in two steps