"Magic 2015 Core Set", +=5 (10)
Flying (This creature can't be blocked except by creatures with flying or reach.)
When Aegis Angel enters, another target permanent gains indestructible for as long as you control Aegis Angel. (Effects that say "destroy" don't destroy it. A creature with indestructible can't be destroyed by damage.)
Flying, vigilance
: Prevent all damage that would be dealt to another target creature this turn by sources of the color of your choice.
: Prevent all damage that would be dealt to target player or planeswalker this turn by sources of the color of your choice.
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Glacial Crasher can't attack unless there is a Mountain on the battlefield.
Flying
At the beginning of your upkeep, draw a card unless target opponent sacrifices a creature of their choice or pays 3 life.
This creature attacks each combat if able.
This creature can't be blocked by Walls.
: This creature gets +1/+0 until end of turn.
When Siege Dragon enters, destroy all Walls your opponents control.
Whenever Siege Dragon attacks, if defending player controls no Walls, it deals 2 damage to each creature without flying that player controls.
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
Trample
Sliver creatures you control have indestructible. (Damage and effects that say "destroy" don't destroy them.)
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