Trying a fake-out?
EOT, charge ctr on the Trigon
Untap, upkeep - charge ctr on the Urn
Attack with the Elemental
Responses/blocks/take it?
Spidey: 16
Hand: 6
Battlefield:
(U,U) Mt x2
(U,U,U,U) Plains x4
(U,U,U) Forest x3
Ascetiscism (Creatures I control can't be the target of spells or abilities Mooseman controls.; 1G; Regen target creature)
(U)
Golden Urn (At the beginning of my upkeep, I may put a charge ctr on ~.; T, Sac ~: I gain life equal to the # of charge ctrs on ~.) * 12 charge ctr*
(U)
Trigon of Mending (~ ETB w/3 charge ctrs on it.; WW, T: Put a charge ctr on ~.; 2, T, Remove a charge ctr from ~: Target players gains 3 life) *7 charge ctrs*
(U)
Tumble Magnet (~ ETB w/3 charge ctrs on it.; T, Remove a charge ctr from ~: Tap target artifact or creature) *3 charge ctrs*
(U)
Snapsail Glider (2/2;
Flying due to Metalcraft; Metalcraft: ~ has flying as long as I control 3 or more artifacts)
(U)
Auriok Replica (2/2; W, Sac ~: Prevent all dmg a source of my choice would deal to me this turn)
(T)
Scoria Elemental (6/1)
Graveyard: Arc Trail
Exile:
Golem Foundry
=====================================================================
Mooseman: 10
Hand: 5
Battlefield:
(TU) Plains
(UU) Swamp
(UU) Island
(UU) Mountain
(UUU) Forest
Golem's Heart (Whenever a player casts an artifact spell, you may gain 1 life.)
Liquimetal Coating (T: Target permanent becomes an artifact in addition to its other types until end of turn.)
(U)
Darkslick Drake (2/4, Flying. When ~ is put into a graveyard from the battlefield, draw a card or do nothing)
(U)
Glink Hawk (2/2, Flying. When ~ ETB, sacrifice it unless you return an artifact you control to its owner's hand.
(U)
Lumengrid Drake (2/2, Flying Metalcraft: When ~ etb, if you control three or more artifacts, return target creature to its owner's hand.)
Graveyard: Revoke Existence,
Hand of the Praetors, Screeching Silcaw, Glint Hawk Idol
Exile: