Crimson Mage

: Target creature you control gains haste until end of turn. (It can attack and this turn.)

Stangg

When Stangg enters the battlefield, create Stangg Twin, a legendary 3/4 red and green Human Warrior creature token. Exile that token when Stangg leaves the battlefield. Sacrifice Stangg when that token leaves the battlefield.

Twisted Image

Switch target creature’s power and toughness until end of turn.
Draw a card.

Blue Elemental Blast

Choose one —
• Counter target red spell.
• Destroy target red permanent.

Red Elemental Blast

Choose one —
• Counter target blue spell.
• Destroy target blue permanent.

Protean Raider

Raid — If you attacked this turn, you may have Protean Raider enter the battlefield as a copy of any creature on the battlefield.

Protean Raider

Raid — If you attacked this turn, you may have Protean Raider enter the battlefield as a copy of any creature on the battlefield.

Charging Tuskodon

Trample
If Charging Tuskodon would deal combat damage to a player, it deals double that damage to that player instead.

Jadecraft Artisan

When Jadecraft Artisan enters the battlefield, target creature gets +2/+2 until end of turn.

Unsummon

Return target creature to its owner’s hand.

Sandstone Oracle

Flying
When Sandstone Oracle enters the battlefield, choose an opponent. If that player has more cards in hand than you, draw cards equal to the difference.

Frost Lynx

When Frost Lynx enters the battlefield, tap target creature an opponent controls. That creature doesn’t untap during its controller’s next untap step.

Sultai Flayer

Whenever a creature you control with toughness 4 or greater dies, you gain 4 life.

Verdant Sun’s Avatar

Whenever Verdant Sun’s Avatar or another creature enters the battlefield under your control, you gain life equal to that creature’s toughness.

Verdant Sun’s Avatar

Whenever Verdant Sun’s Avatar or another creature enters the battlefield under your control, you gain life equal to that creature’s toughness.

Sure Strike

Target creature gets +3/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

Raging Swordtooth

Trample
When Raging Swordtooth enters the battlefield, it deals 1 damage to each other creature.

Verdant Sun’s Avatar

Whenever Verdant Sun’s Avatar or another creature enters the battlefield under your control, you gain life equal to that creature’s toughness.

Mairsil, the Pretender

When Mairsil, the Pretender enters the battlefield, you may exile an artifact or creature card from your hand or graveyard and put a cage counter on it.
Mairsil, the Pretender has all activated abilities of all cards you own in exile with cage counters on them. You may activate each of those abilities only once each turn.

Kess, Dissident Mage

Flying
During each of your turns, you may cast an instant or sorcery spell from your graveyard. If a spell cast this way would be put into your graveyard, exile it instead.

Qasali Slingers

Reach
Whenever Qasali Slingers or another Cat enters the battlefield under your control, you may destroy target artifact or enchantment.

Crash Through

Creatures you control gain trample until end of turn. (A creature with trample can deal excess combat damage to the player or planeswalker it’s attacking.)
Draw a card.