Since most of your lands will be swamps, you'll be adding a lot of mana to your pool
Arcade Gannon Arcade Gannon has a powerful recursive ability, but I fear it lacks the speed demanded by modern Commander
Association with Rarity Here are effects that don't tend to start until uncommon: Card draw gaining you three or more cards Creatures that have an enters-the-battlefield effect that kills creatures "Curiosity" (saboteur effect leading to card draw) Direct damage to multiple/all creatures Global enchantments Granting other creatures invulnerability "Locking away" permanents (exiling for as long as permanent stays on the battlefield) Reanimation Regrowing anything from the graveyard to hand "Specter" ability (saboteur effect leading to discard) "Tutoring" (putting a card from your library into your hand) Vehicles Rare Complexity Rare is where the cards with the greatest comprehension complexity and board complexity go
3 Maskwood Nexus Power In Solidarity Maskwood Nexus isn't a changeling itself, but creating them makes it just as viable in a typal deck as any actual changeling would be
If you need to untap artifacts in a deck where some artifacts are also lands or creatures, this is big money
The Pathfinder can also help fix your mana, though it can be unreliable for that purpose, as it often dies after being cast on Turn 2