Confusion

At the beginning of your upkeep, if you control a black permanent, you may put a +1/+1 counter on Bloodhall Ooze. At the beginning of your upkeep, ...

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

{W}{B}: Scornful Aether-Lich gains fear and vigilance until end of turn. (Attacking doesn't cause it to tap, and it can't be blocked except by arti...

First strike {W}{U}{B}{R}{G}: Until end of turn, Paragon of the Amesha becomes an Angel, gets +3/+3, and gains flying and lifelink.

When Rhox Meditant enters the battlefield, if you control a green permanent, draw a card.

{1}{R}, Sacrifice a land: Put a +1/+1 counter on Goblin Razerunners. At the beginning of your end step, you may have Goblin Razerunners deal damage...

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

{T}: Prevent the next 1 damage that would be dealt to any target this turn. {T}: Target creature can't be blocked this turn.

Whenever another artifact enters the battlefield under your control or another artifact you control leaves the battlefield, you may pay {1}. If you...

Flying When Sphinx Summoner enters the battlefield, you may search your library for an artifact creature card, reveal it, and put it into your hand...

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.

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.

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.

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.