Keyword: Flash

Flash
Reach
Whenever another non-Human creature enters the battlefield under your control, you may pay . When you do, put X +1/+1 counters on Wildborn Preserver.

Flash
Reach
Whenever another non-Human creature enters the battlefield under your control, you may pay . When you do, put X +1/+1 counters on Wildborn Preserver.

Flash
When Blacklance Paragon enters the battlefield, target Knight gains deathtouch and lifelink until end of turn.

Flash
, Sacrifice an Island: Lochmere Serpent can’t be blocked this turn.
, Sacrifice a Swamp: You gain 1 life and draw a card.
: Exile five target cards from an opponent’s graveyard. Return Lochmere Serpent from your graveyard to your hand. Activate this ability only any time you could cast a sorcery.

Flash
When Blacklance Paragon enters the battlefield, target Knight gains deathtouch and lifelink until end of turn.

Flash
When Blacklance Paragon enters the battlefield, target Knight gains deathtouch and lifelink until end of turn.

Flash
Thought Sponge enters the battlefield with a number of +1/+1 counters on it equal to the greatest number of cards an opponent has drawn this turn.
When Thought Sponge dies, draw cards equal to its power.

Flash (You may cast this spell any time you could cast an instant.)
Reach
When Great Oak Guardian enters the battlefield, creatures target player controls get +2/+2 until end of turn. Untap them.

Flash
Other Wolves and Werewolves you control get +1/+1.
At the beginning of your end step, if you didn’t cast a spell this turn, create a 2/2 green Wolf creature token.

Flash (You may cast this spell any time you could cast an instant.)
Whenever you cast a spell during an opponent’s turn, put a +1/+1 counter on Brineborn Cutthroat.

Flash
Other Wolves and Werewolves you control get +1/+1.
At the beginning of your end step, if you didn’t cast a spell this turn, create a 2/2 green Wolf creature token.

Flash (You may cast this card any time you could cast an instant.)
Flying
Celestial Messenger gets +1/+1 as long as you control a Yanling planeswalker.

Flash
Other Wolves and Werewolves you control get +1/+1.
At the beginning of your end step, if you didn’t cast a spell this turn, create a 2/2 green Wolf creature token.

Flash
Other Wolves and Werewolves you control get +1/+1.
At the beginning of your end step, if you didn’t cast a spell this turn, create a 2/2 green Wolf creature token.

Flash (You may cast this spell any time you could cast an instant.)
Flying
: Draw a card.

Flash
When Munitions Expert enters the battlefield, you may have it deal damage to target creature or planeswalker equal to the number of Goblins you control.

If it’s not your turn, you may exile a white card from your hand rather than pay this spell’s mana cost.
Flash
Creatures you control get +1/+1.

Flash
Flying
When Blizzard Strix enters the battlefield, if you control another snow permanent, exile target permanent other than Blizzard Strix. Return that card to the battlefield under its owner’s control at the beginning of the next end step.

Flash
Flying
When Ice-Fang Coatl enters the battlefield, draw a card.
Ice-Fang Coatl has deathtouch as long as you control at least three other snow permanents.

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

Flash
Flying
When Angel of Grace enters the battlefield, until end of turn, damage that would reduce your life total to less than 1 reduces it to 1 instead.
, Exile Angel of Grace from your graveyard: Your life total becomes 10.

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

Flash
Flying
When Spire Mangler enters the battlefield, target creature with flying you control gets +2/+0 until end of turn.

Flash
When Frilled Mystic enters the battlefield, you may counter target spell.

Flash
Enchant creature
Enchanted creature gets +1/+2 and has vigilance.
Addendum — When Sentinel’s Mark enters the battlefield, if you cast it during your main phase, enchanted creature gains lifelink until end of turn.