Skeletons you control and other Zombies you control get +1/+1 and have deathtouch.

Door to Nothingness enters the battlefield tapped.

{W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, {T}, Sacrifice Door to Nothingness: Target player loses the game.

Target creature gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

Unearth {B} ({B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

When Duergar Hedge-Mage enters the battlefield, if you control two or more Mountains, you may destroy target artifact.

When Duergar Hedge-Mage enters the battlefield, if you control two or more Plains, you may destroy target enchantment.

Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.)

{1}, Remove four +1/+1 counters from Etched Oracle: Target player draws three cards.

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

Enchant land

Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

Fertilid enters the battlefield with two +1/+1 counters on it.

{1}{G}, Remove a +1/+1 counter from Fertilid: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles.

When Festering Goblin dies, target creature gets -1/-1 until end of turn.

Creatures you control have haste.

Sacrifice Fires of Yavimaya: Target creature gets +2/+2 until end of turn.

When Flamekin Harbinger enters the battlefield, you may search your library for an Elemental card, reveal it, then shuffle and put that card on top.

When Flametongue Kavu enters the battlefield, it deals 4 damage to target creature.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Whenever a player casts a spell, you may put a +1/+1 counter on Forgotten Ancient.

At the beginning of your upkeep, you may move any number of +1/+1 counters from Forgotten Ancient onto other creatures.