Pioneer

Tranquil Expanse enters the battlefield tapped. {T}: Add {G} or {W}.

{T}: Add {C}. {1}, {T}: Add one mana of any color.

Wandering Fumarole enters the battlefield tapped. {T}: Add {U} or {R}. {2}{U}{R}: Until end of turn, Wandering Fumarole becomes a 1/4 blue and red ...

When General Tazri enters the battlefield, you may search your library for an Ally creature card, reveal it, put it into your hand, then shuffle yo...

{1}{R}{G}: Relentless Hunter gets +1/+1 and gains trample until end of turn.

Flying, haste Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Search your library for a planeswalker card, reveal it, and put it into your hand. Then shuffle your library.

Other creatures you control get +1/+0 as long as you control an Equipment.

Equipped creature gets +1/+0. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature gets +1/+0. Whenever equipped creature attacks, create a 1/1 white Kor Ally creature token that's tapped and attacking. Equip {1}

Equipped creature gets +2/+2 and has menace. (It can't be blocked except by two or more creatures.) Equip {3}

{T}: Add {C}. ({C} represents colorless mana.) {2}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your...

Equipped creature gets +1/+1 and has haste. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Cinder Barrens enters the battlefield tapped. {T}: Add {B} or {R}.

{T}: Add {C}. ({C} represents colorless mana.) {T}, Pay 1 life: Add one mana of any color. Spend this mana only to cast a spell with devoid.

You gain life equal to target creature's power. The next time that creature would deal damage this turn, prevent that damage.

When Saddleback Lagac enters the battlefield, support 2. (Put a +1/+1 counter on each of up to two other target creatures.)

Reach When Seed Guardian dies, create an X/X green Elemental creature token, where X is the number of creature cards in your graveyard.

Vigilance, trample

Target creature gets +1/+2 and gains reach until end of turn. Untap it. (A creature with reach can block creatures with flying.)

Devoid (This card has no color.) First strike Whenever another colorless creature enters the battlefield under your control, target opponent loses ...

Devoid (This card has no color.) Mindmelter can't be blocked. {3}{C}: Target opponent exiles a card from their hand. Activate this ability only any...

Create two 2/2 white Knight Ally creature tokens.

Devoid (This card has no color.) Flash (You may cast this spell any time you could cast an instant.) When Void Grafter enters the battlefield, anot...