Haste Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Whenever this creature attacks, if your team controls another Warrior, this creature gains first strike until end of turn.

Haste When this creature enters, it gets +2/+0 until end of turn.

Carbonize deals 3 damage to any target. If it's a creature, it can't be regenerated this turn, and if it would die this turn, exile it instead.

Haste Cowards can't block Warriors. Whenever one or more Warriors you control attack a player, target creature that player controls becomes a Coward. Attacking Warriors you control get +X/+0, where X is the number of Cowards your opponents control.

This land enters tapped. {T}: Add {R}. {1}{R}: This land becomes a 2/1 red Warrior creature with first strike until end of turn. It's still a land. (It deals combat damage before creatures without first strike.)

({T}: Add {R}.)

This land enters tapped. When this land enters, target creature gets +2/+0 until end of turn. {T}: Add {R}.