treefolk cards mtg Healer [Invasion] tap target creature an opponent controls Treefolk Tribal: How to March

And that's something this color combination doesn't do much of -- draw raw cards

its rogues

A Sirens Lookout that was a 2/3 Flying on turn 3 could dominate a game by itself, while a 1/2 Flying barely impacted the battlefield (despite drawing you a card)

Thats two nightmares in one that result in a picture that requires no visceral imagery to get your human blood boiling

If we assume that both mana flood and mana screw are things that we'd like to avoid in order to have a fun game of Commander (and maybe even a chance at winning the game), then adding more MDFCs to your deck during deck building is the perfect solution to the problem