Pioneer

Until end of turn, target creature gets +1/+0 and gains first strike and lifelink.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Flying

Trample Volatile Rig attacks each combat if able. Whenever Volatile Rig is dealt damage, flip a coin. If you lose the flip, sacrifice Volatile Rig....

When Seller of Songbirds enters the battlefield, create a 1/1 white Bird creature token with flying.

Haste

Flying

Wayfaring Temple's power and toughness are each equal to the number of creatures you control. Whenever Wayfaring Temple deals combat damage to a pl...

{5}{G}: Regenerate Selesnya Sentry.

Trample Cryptborn Horror enters the battlefield with X +1/+1 counters on it, where X is the total life lost by your opponents this turn.

{U/R}: Frostburn Weird gets +1/-1 until end of turn.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Scavenge {1}{B}{G} ({1}{B}{G}, Exile this card from your gravey...

Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Armory Guard has vigilance as long as you control a Gate.

Defender Reach (This creature can block creatures with flying.) {1}{B}{G}: Regenerate Trestle Troll.

Skull Rend deals 2 damage to each opponent. Those players each discard two cards at random.

Trample Discard a creature card: Put a +1/+1 counter on Lotleth Troll. {B}: Regenerate Lotleth Troll.

Flying Whenever Niv-Mizzet, Dracogenius deals damage to a player, you may draw a card. {U}{R}: Niv-Mizzet, Dracogenius deals 1 damage to any target.

Flash (You may cast this spell any time you could cast an instant.) Vigilance

Flying, haste You may cast sorcery spells as though they had flash. (You may cast them any time you could cast an instant.)

Return target creature to its owner's hand. You gain 2 life.

Search your library for an instant card with converted mana cost 3, reveal it, and put it into your hand. Then repeat this process for instant card...

When Centaur Healer enters the battlefield, you gain 3 life.