Conflux

Domain — Equipped creature gets +1/+1 for each basic land type among lands you control. Equip {3}

Vigilance, trample Whenever Meglonoth blocks a creature, Meglonoth deals damage to that creature's controller equal to Meglonoth's power.

First strike {W}{U}{B}{R}{G}: Until end of turn, Dragonsoul Knight becomes a Dragon, gets +5/+3, and gains flying and trample.

Trample, haste At the beginning of the end step, sacrifice Hellspark Elemental. Unearth {1}{R} ({1}{R}: Return this card from your graveyard to the...

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

Sacrifice Suicidal Charge: Creatures your opponents control get -1/-1 until end of turn. Those creatures attack this turn if able.

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

Enchant red or green creature Enchanted creature doesn't untap during its controller's untap step.

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.

Enchant creature Enchanted creature gets +2/+2 and can't block.

Flying When Malfegor enters the battlefield, discard your hand. Each opponent sacrifices a creature for each card discarded this way.

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

{W}{U}{B}{R}{G}: Fleshformer gets +2/+2 and gains fear until end of turn. Target creature gets -2/-2 until end of turn. Activate this ability only ...

Court Homunculus gets +1/+1 as long as you control another artifact.

{1}{W}, {T}: You gain 5 life. {1}{U}, {T}: Draw a card, then discard a card. {1}{B}, {T}: Target creature gets -2/-2 until end of turn. {1}{R}, {T}...

Creatures your opponents control get -1/-0.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) {T}: Destroy target creature that dealt damage...

Protection from blue

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

Vigilance {R}, {T}: Target creature can't block this turn. {G}, {T}: Target creature blocks this turn if able.

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.

Fiery Fall deals 5 damage to target creature. Basic landcycling {1}{R} ({1}{R}, Discard this card: Search your library for a basic land card, revea...

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...

Flying {1}{G}{U}: Creatures you control gain shroud until end of turn. (They can't be the targets of spells or abilities.)