Urza's Destiny

Trample Whenever Phyrexian Negator is dealt damage, sacrifice that many permanents.

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

Flying When Iridescent Drake enters the battlefield, put target Aura card from a graveyard onto the battlefield under your control attached to Irid...

Defender (This creature can't attack.) Wall of Glare can block any number of creatures.

Echo {4}{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 p...

Flying When Aura Thief dies, you gain control of all enchantments. (You don't get to move Auras.)

When Reliquary Monk dies, destroy target artifact or enchantment.

When Goblin Gardener dies, destroy target land.

{G}, {T}: You may put a creature card from your hand onto the battlefield.

Metathran Elite can't be blocked as long as it's enchanted.

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 ...

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

Yavimaya Enchantress gets +1/+1 for each enchantment on the battlefield.

All creatures able to block Taunting Elf do so.

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

At the beginning of your upkeep, sacrifice Masticore unless you discard a card. {2}: Masticore deals 1 damage to target creature. {2}: Regenerate M...

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

Flying

Trample Whenever Phyrexian Negator is dealt damage, sacrifice that many permanents.

When you control no other creatures, sacrifice Emperor Crocodile.

Flying, protection from green

{G}: Regenerate Ancient Silverback. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it,...

When Goblin Gardener dies, destroy target land.

As long as Thran Golem is enchanted, it gets +2/+2 and has flying, first strike, and trample.