Man, you have a lot of good green cards.
Untap, upkeep, draw
Attack with Kirin for 2
Sandsteppe Outcast, choosing the ctr option
Done
Turgy22: 13
Hand: 1
Library: 19
Battlefield:
(TTTT) Forest x4
(TTTT) Plains x4
Sage's Reverie (Enchantment - Aura; Enchant Creature; When Sage's Reverie enters the battlefield, draw a card for each Aura you control that's attached to a creature. Enchanted creature gets +1/+1 for each Aura you control that's attached to a creature.)
(U) Harvestguard Alseids (2/3; Enchantment Creature Nymph; Constellation — Whenever Harvestguard Alseids or another enchantment enters the battlefield under your control, prevent all damage that would be dealt to target creature this turn.)
(T) Fleecemane Lion (5/5; Creature - Cat; 3GW: Monstrosity 1; As long as Fleecemane Lion is monstrous, it has hexproof and indestructible.) ~Reveried; +1/+1 counters: 1~
(U) Frontier Mastodon (4/3; Creature - Elephant; Ferocious — Frontier Mastodon enters the battlefield with a +1/+1 counter on it if you control a creature with power 4 or greater.) ~+1/+1 counters: 1~
(U) Temur War Shaman (4/5; Creature - Human Shaman; When Temur War Shaman enters the battlefield, manifest the top card of your library. Whenever a permanent you control is turned face up, if it's a creature, you may have it fight target creature you don't control.) *Armed w/Nyx*
(U) Manifest Creature (2/2; Awesome!)
(U) Satyr Wayfinder (1/1; Creature - Satyr; When Satyr Wayfinder enters the battlefield, reveal the top four cards of your library. You may put a land card from among them into your hand. Put the rest into your graveyard.)
(U) Snake of the Golden Grove (4/4; Creature - Snake; Tribute 3; When Snake of the Golden Grove enters the battlefield, if tribute wasn't paid, you gain 4 life.)
(S) Archetype of Endurance (6/5; Enchantment Creature - Boar; Creatures you control have hexproof. Creatures your opponents control lose hexproof and can't have or gain hexproof.)
Graveyard: Pressure Point, Silent Artisan, Sedge Scorpion
Exile:
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Spiderman: 11
Hand: 1
Library: 23
Battlefield:
(T,T,T,U,U) Plains x5
(U,U) Forest x2
Armanent of Nyx (Enchant creature; Enchanted creature has double strike as long as it's an enchantment. Otherwise, prevent all dmg that would be dealt by enchanted creature)
(U) Gorgon's Head (Equipped creature has deathtouch; Equip 1)
(U) Jeskai Student (1/3; Deathtouch from Head; Prowess) *Equipped w/Head*
(U) Swordwise Centaur (3/2)
(U) Centaur Battlemaster (7/7 from ctrs; Heroic-Whenever I cast a spell that targets ~, put three +1/+1 ctrs on ~) *4 +1/+1 ctrs*
(U) Alabaster Kirin (2/3; Flying, vigilance)
(U) Griffin Dreamfinder (1/4; Flying; When ~ ETB, return target enchantment card from my graveyard to my hand)
(S) Sandsteppe Outcast (3/2 from ctr;
When ~ ETB, choose one-Put a +1/+1 ctr on ~ or Put a 1/1 white Spirit creature token w/flying onto the battlefield) * 1 +1/+1 ctr*
Graveyard: Nature's Panoply
Exile: