Ravnica Allegiance

{T}: Add {G} or {U}. {G/U}{G/U}{G/U}{G/U}, {T}, Sacrifice Simic Locket: Draw two cards.

When Watchful Giant enters the battlefield, create a 1/1 white Human creature token.

Flying {1}{W}: Senate Courier gains vigilance until end of turn.

Flash Enchant creature Enchanted creature can't attack or block, and its activated abilities can't be activated.

Summary Judgment deals 3 damage to target tapped creature. Addendum — If you cast this spell during your main phase, it deals 5 damage instead.

Deathtouch

Target creature gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy it.) Draw a card.

When Footlight Fiend dies, it deals 1 damage to any target.

Put a +1/+1 counter on target creature you control. Untap that creature.

Flash Enchant creature Enchanted creature gets -4/-0.

Prevent all combat damage that would be dealt this turn.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Destroy target artifact or enchantment. Scry 1.

Flying When Carrion Imp enters the battlefield, you may exile target creature card from a graveyard. If you do, you gain 2 life.

Riot (This creature enters the battlefield with your choice of a +1/+1 counter or haste.) Trample

Flying When Chillbringer enters the battlefield, tap target creature an opponent controls. It doesn't untap during its controller's next untap step.

Reach

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order.

When Haazda Officer enters the battlefield, target creature you control gets +1/+1 until end of turn.

{T}: Add {R} or {G}. {R/G}{R/G}{R/G}{R/G}, {T}, Sacrifice Gruul Locket: Draw two cards.

Exile target creature with power 3 or less.

Destroy target land. Scry 2.