The Aether Heart is a one-shot effect, but that effect is what might be the 7 most powerful worlds in Magic, Take an extra turn after this one. And just like the Marvel, it can sit around on the board for a while while generating energy, making using that effect far easier
I DO NOT ADVOCATE buying cards that are not EDH-only right now in paper
OP Savannah Lions Picture a 1-mana creature that draws you a card when it enters the battlefield that would basically be broken
(It's an artifact with " , Sacrifice this token: Add one mana of any color.") Selesnya Guildgate Rarity: Common TYPE: Land SUBTYPE: Gate CMC: 0 Mana cost: USD: $0.14 EUR: 0.18 TIX: 0.03 EDHREC RANK: 1990 This land enters tapped
Sure, the cards ceiling involves throwing a chunk of damage at everybody by sacrificing cards like Disciple of Bolas, but trading away a Faerie Rogue for two cards is still perfectly reasonable
Weve already seen players fretting about how Magics five-color system will handle Avatars four elements, for instance