Awesome Monday

When Merfolk Observer enters the battlefield, look at the top card of target player's library.

Flying Players play with the top card of their libraries revealed.

Domain — {3}: Wandering Goblins gets +1/+0 until end of turn for each basic land type among lands you control.

{G/U}{G/U}: Target creature you control becomes the color or colors of your choice until end of turn.

Flying (This creature can't be blocked except by creatures with flying or reach.) Welkin Tern can block only creatures with flying.

When Kemuri-Onna enters the battlefield, target player discards a card. Whenever you cast a Spirit or Arcane spell, you may return Kemuri-Onna to ...

Ninjutsu {3}{B} ({3}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)...

Whenever Ogre Marauder attacks, it gains "Ogre Marauder can't be blocked" until end of turn unless defending player sacrifices a creature.

Flying (This creature can't be blocked except by creatures with flying or reach.) Cloud Sprite can block only creatures with flying.

Flash When Muck Drubb enters the battlefield, change the target of target spell that targets only a single creature to Muck Drubb. Madness {2}{B} (...

When Zephyr Spirit blocks, return it to its owner's hand.

({B/P} can be paid with either {B} or 2 life.) Flying Lifelink (Damage dealt by this creature also causes you to gain that much life.)

As an additional cost to cast this spell, exile two creature cards from your graveyard. Trample

Metalcraft — Spiraling Duelist has double strike as long as you control three or more artifacts.

Flying When Mulldrifter enters the battlefield, draw two cards. Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrifi...

When you cast this spell, any player may discard three cards. If a player does, counter Phantasmagorian. Discard three cards: Return Phantasmagoria...

{U}, {T}: Target player mills two cards.

Flying Whenever Merfolk Skyscout attacks or blocks, untap target permanent.

Reach (This creature can block creatures with flying.) Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players...

Flying Whenever another artifact enters the battlefield under your control, Glaze Fiend gets +2/+2 until end of turn.

When Fleshbag Marauder enters the battlefield, each player sacrifices a creature.

Defender (This creature can't attack.) Protection from artifacts Whenever an opponent casts an artifact spell, you may create a 1/1 green Insect ...

All Sliver creatures have shadow. (They can block or be blocked by only creatures with shadow.)

{B}, {T}, Discard a card: Create a 1/1 black Zombie Goblin creature token named Festering Goblin. It has "When Festering Goblin dies, target creatu...