The green boon, Giant Growth, was considered an iconic card of Green and had appeared in every core set until the printing of Magic 2012
When we want to play a long game of MTG, we grab a couple Commander Decks
Oran-Rief is a little narrower but costs significantly less mana, and youve got a decent number of green creatures
Titania, Natures Force Titania, Nature's Force is an elemental that creates 5/3 elementals, so that helps to build a focused typal deck
Nalathni Dragon Nature's Blessing Shield Bearer Kjeldoran Skycaptain Icatian Phalanx Errand of Duty Mesa Pegasus Knights of Thorn Benalish Hero Greater Morphling Volunteer Reserves Benalish Infantry Urza's Avenger Helm of Chatzuk Battering Ram Pikemen Teremko Griffin Noble Elephant Urza's Engine Kjeldoran Escort Soraya the Falconer Beast Walkers Ayesha Tanaka War Elephant Wall of Shields Baton of Morale Dire Wolves Kjeldoran Warrior Kjeldoran Skyknight Kjeldoran Phalanx Kjeldoran Knight Formation Cooperation Mishra's War Machine Timber Wolves Fortified Area Icatian Skirmishers Icatian Infantry Wall of Caltrops Tolaria Camel Best Banding Cards #5
It seems like every set adds to this in some way, even if its only with an exclusive rarity, but Japanese Showcase cards are a rarity that anyone can get, provided they pick up the right packs