There are some cards that remove lands from your deck, and since they're usually dead cards in combos, these are great in most non-deterministic combo decks
For 4 mana, you get the effect of Entomb and 2 copies of Natures Spiral allowing you to set up for some pretty powerful plays
7: You get an emblem with "Creatures you control have double strike, trample, hexproof, and haste." Legendary Planeswalker - Domri Color tag templates(None) Planeswalker (CTRL to add secondary) Sorcery Qty: 3 Price: 0.30 Sweltering Suns Sweltering Suns deals 3 damage to each creature
And if you can get him to ultimate he turns into a win-con
7: You get an emblem with "Whenever you cast a spell, this emblem deals 5 damage to any target." +1: Add
Many of the Historic staples come from Anthologies, like Historic Anthologies or Arena Anthologies