Dominaria

{T}: Add {G}.

Sacrifice a Goblin: Add {R}.

Goblin spells you cast cost {1} less to cast. Goblins you control have haste.

Whenever another Elf enters the battlefield under your control, put a +1/+1 counter on Marwyn, the Nurturer. {T}: Add an amount of {G} equal to Mar...

Rat Colony gets +1/+0 for each other Rat you control. A deck can have any number of cards named Rat Colony.

Flying Historic spells you cast cost {1} less to cast. (Artifacts, legendaries, and Sagas are historic.)

Flying

Whenever Keldon Warcaller attacks, put a lore counter on target Saga you control.

Flash When Merfolk Trickster enters the battlefield, tap target creature an opponent controls. It loses all abilities until end of turn.

As long as there are two or more instant and/or sorcery cards in your graveyard, Ghitu Lavarunner gets +1/+0 and has haste.

Haste Whenever one or more creatures you control attack, add that much mana in any combination of {R} and/or {G}. Until end of turn, you don't lose...

Flying You, planeswalkers you control, and other creatures you control have hexproof. {4}{G}{G}: Put a +1/+1 counter on each creature you control.

Each other creature you control that's a Fungus or Saproling gets +1/+1.

First strike, vigilance, lifelink Aura and Equipment spells you cast cost {1} less to cast.

Flying, trample When Demonlord Belzenlok enters the battlefield, exile cards from the top of your library until you exile a nonland card, then put ...

At the beginning of each upkeep, create a 1/1 green Saproling creature token.

Flying You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells that you cast.

When Siege-Gang Commander enters the battlefield, create three 1/1 red Goblin creature tokens. {1}{R}, Sacrifice a Goblin: Siege-Gang Commander dea...

Flying Whenever you cast a historic spell, return target creature card with converted mana cost 3 or less from your graveyard to the battlefield. (...

Whenever a land enters the battlefield under your control, you gain 1 life and draw a card.

You may cast Squee, the Immortal from your graveyard or from exile.

Kicker {3} (You may pay an additional {3} as you cast this spell.) If Grunn, the Lonely King was kicked, it enters the battlefield with five +1/+1 ...

As Dauntless Bodyguard enters the battlefield, choose another creature you control. Sacrifice Dauntless Bodyguard: The chosen creature gains indest...

{1}, Sacrifice another creature: Thallid Omnivore gets +2/+2 until end of turn. If a Saproling was sacrificed this way, you gain 2 life.