Urza's Destiny

All creatures able to block Taunting Elf do so.

Flying When you control no artifacts, sacrifice Covetous Dragon.

When Yavimaya Elder dies, you may search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle your libra...

{B}, {T}, Sacrifice Apprentice Necromancer: Return target creature card from your graveyard to the battlefield. That creature gains haste. At the b...

When Body Snatcher enters the battlefield, exile it unless you discard a creature card. When Body Snatcher dies, exile Body Snatcher and return tar...

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.) {R}: Colos Yearling gets +1/+0 until end of turn.

Shroud (This creature can't be the target of spells or abilities.)

Echo {2}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay ...

Metathran Soldier can't be blocked.

Trample

Flying {2}, Sacrifice Slinking Skirge: Draw a card.

Reach (This creature can block creatures with flying.)

Haste Echo {2}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless...

You may have Thorn Elemental assign its combat damage as though it weren't blocked.

Tap an untapped creature you control: Prevent the next 1 damage that would be dealt to target creature this turn.

When Ravenous Rats enters the battlefield, target opponent discards a card.

When Disease Carriers dies, target creature gets -2/-2 until end of turn.

Flying (This creature can't be blocked except by creatures with flying or reach.) Whenever Thieving Magpie deals damage to an opponent, draw a card.

Flying, protection from green

{T}: Add {G}. {2}, Sacrifice Heart Warden: Draw a card.

Bubbling Beebles can't be blocked as long as defending player controls an enchantment.

When Marker Beetles dies, target creature gets +1/+1 until end of turn. {2}, Sacrifice Marker Beetles: Draw a card.

When Goblin Masons dies, destroy target Wall.