Conflux

Apocalypse Hydra enters the battlefield with X +1/+1 counters on it. If X is 5 or more, it enters the battlefield with an additional X +1/+1 counte...

At the beginning of your upkeep, sacrifice Wild Leotau unless you pay {G}.

When Tukatongue Thallid dies, create a 1/1 green Saproling creature token.

{G}: Thornling gains haste until end of turn. {G}: Thornling gains trample until end of turn. {G}: Thornling gains indestructible until end of turn...

Target player gains 8 life. Basic landcycling {1}{G} ({1}{G}, Discard this card: Search your library for a basic land card, reveal it, put it into ...

Domain — Create a 1/1 green Saproling creature token for each basic land type among lands you control.

Draw cards equal to the power of target creature you control.

Search your library for a Plains card, an Island card, a Swamp card, and a Mountain card. Reveal those cards, put them into your hand, then shuffle.

{T}: Scattershot Archer deals 1 damage to each creature with flying.

{R}{W}, {T}: Sacellum Archers deals 2 damage to target attacking or blocking creature.

Whenever another creature with power 5 or greater enters the battlefield under your control, you may return target creature card from your graveyar...

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) {T}: Add {G}, {W}, or {U}.

Protection from artifacts

Domain — Target creature gets +1/+1 until end of turn for each basic land type among lands you control.

Domain — Matca Rioters's power and toughness are each equal to the number of basic land types among lands you control.

Flash Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/+...

Destroy target artifact or enchantment. If that permanent was blue or black, draw a card.

Reach (This creature can block creatures with flying.) As long as you control a red permanent, Ember Weaver gets +1/+0 and has first strike.

{R}{G}{W}: Cylian Sunsinger and each other creature with the same name as it get +3/+3 until end of turn.

Cliffrunner Behemoth has haste as long as you control a red permanent. Cliffrunner Behemoth has lifelink as long as you control a white permanent.

{1}: Target creature with power 5 or greater gains vigilance until end of turn.

Protection from black

{1}: Regenerate target creature with power 5 or greater.

Vigilance {T}: Reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put it into your hand.