It's a creature standoff!
Untap, upkeep
Mesmeric Sliver
Done
Spidey: 18
Hand: 5
Library: 1
In Play:
(U) Mountain
(T,U) Forest x2
(T,U) Plains x2
(T,U,U) Island x3
(T,U) Swamp x2
(U) Rift Elemental (1/1, 1R, remove a time ctr from a permanent I control or a suspended card I own: ~ gets...