Stalking Assassin

Flying W: This creature gets +0/+1 until end of turn.

T: Destroy target creature if it shares a color with the most common color among all permanents or a color tied for most common. A creature destroyed this way can't be regenerated.

Counter target creature spell. Draw a card.

This land enters tapped. T: Add U. T, Sacrifice this land: Add WB.

Trample, protection from blue and from red

B: This creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

When this creature enters, return target creature card from your graveyard to the battlefield. You lose life equal to that card's mana value.

2R, T: Destroy target nonbasic land.