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'This land enters tapped.
{T}: Add {R} or {G}.
'When this creature enters, if {R} was spent to cast it, it gains haste until end of turn.
'Riot (This creature enters with your choice of a +1/+1 counter or haste.) Whenever this creature attacks, another target creature you control gets +X/+0 until end of turn, where X...
'This land enters tapped.
{T}: Add {R} or {G}.
'{1}, {T}: Add {R}{G}.
'{T}: Add {R} or {G}.
{R/G}{R/G}{R/G}{R/G}, {T}, Sacrifice this artifact: Draw two cards.
'{T}: Add {R} or {G}.
{R/G}{R/G}{R/G}{R/G}, {T}, Sacrifice this artifact: Draw two cards.
'{1}, {T}: Add {R}{G}.
'Riot (This creature enters with your choice of a +1/+1 counter or haste.) Whenever this creature attacks, another target creature you control gets +X/+0 until end of turn, where X...
'Creatures you control have trample.
{1}{R}{G}: This artifact becomes a 4/4 Juggernaut artifact creature until end of turn.
'{R}: This creature gains menace until end of turn. (It can't be blocked except by two or more creatures.)
'This land enters tapped.
{T}: Add {R} or {G}.