Even if you arent willing to go to that extreme, just playing good, expensive green cards will already make you some birds
Alara transforms into Awaken the Maelstrom, a powerful sorcery, which draws you more cards, lets you play artifacts from your hand for free, destroys an opponents permanent, and also makes your own creatures bigger
One life per card is a small cost to pay, especially if your deck is loaded with life gain effects, which help you draw even more cards
Basic Energy Cards have no description at the bottom of the picture and they can only provide 1 energy to the attached Pokmon
Crucible of Worlds One might argue that Crucible of Worlds and the more vulnerable Ramunap Excavator do much less than Conduit of Worlds, which is hard to argue with
Dex 37 Cards Most Expensive Latias & Latios GX $4,674.25 Latias $2,826.46 $355.57 Distribution by Rarity