Kessig Wolf Run

{T}: Add {C}.
{X}{R}{G}, {T}: Target creature gets +X/+0 and gains trample until end of turn.

Command Tower

{T}: Add one mana of any color in your commander's color identity.

Flash
This spell can't be countered.
Creature spells you control can't be countered.
Other creatures you control have trample.

Castle Vantress enters tapped unless you control an Island.
{T}: Add {U}.
{2}{U}{U}, {T}: Scry 2.

Frontier Bivouac enters tapped.
{T}: Add {G}, {U}, or {R}.