Here come the creatures...
Untap, upkeep, Draw
Attack with the Hydra
Responses/blocks/take it?
Spidey: 40
Dmg from Commander: 0/21
Hand: 4
Library: 88
Commander Zone: 2URG Riku of Two Reflections (2/2; Whenever I cast an instant or sorcery spell, I may pay UR. If I do, copy that spell. I may choose new targets for the copy.; Whenever another nontoken creature ETB under my control, I may pay GU. If I do, put a token that's a copy of that creature onto the battlefield) *in library*
Battlefield:
(U) Vivid Crag (~ ETB tapped w/two charge ctrs on it.; T: Add R to my mana pool.; T, Remove a charge ctr from ~: Add one mana of any color to my mana pool) *1 charge ctrs*
(U) Vivid Grove (~ ETB tapped w/two charge ctrs on it.; T: Add G to my mana pool.; T, Remove a charge ctr from ~: Add one mana of any color to my mana pool) *2 charge cts*
(U,U) Forest x2
(U) Mt
(T) Hydra Omnivore (8/8; Whenever ~ deals combat dmg to Mooseman, it deals that much dmg to each other opponent)
Graveyard: Sol Ring, Lightning Greaves
Exile:
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Mooseman: 40
Dmg from Commander: 0/21
Hand: 3
Library: 87
Commander Zone:2GUB The Mimeoplasm ( Legendary Ooze, 0/0, As The Mimeoplasm enters the battlefield, you may exile two creature cards from graveyards. If you do, it enters the battlefield as a copy of one of those cards with a number of additional +1/+1 counters on it equal to the power of the other card. )
Battlefield:
(TTTT) Island x4
(T) Forest
(T) Dimir Signet ( 1, T: Add UB to your mana pool.)
(T) Lonely Sandbar (~ETB Tapped. Tap: Add UCycling U )
(S) Vorosh, the Hunter (Dragon, 6/6, Flying. Whenever Vorosh, the Hunter deals combat damage to a player, you may pay 2G. If you do, put six +1/+1 counters on Vorosh. )
Graveyard: Relic Crush
Exile: