Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle. Harmonize {X}{G}{G}{G}{G} (You may cast this card from your graveyard for its harmonize cost. You may tap a creature you control to reduce that cost by an amount of generic mana equal to its power. Then exile this spell.)

Flying At the beginning of your end step, if creatures you control have total toughness 10 or greater, draw a card. Then if creatures you control have total toughness 20 or greater, untap each creature you control. Then if creatures you control have total toughness 40 or greater, each opponent loses half their life, rounded up.

Flying Activated abilities of artifacts, creatures, and planeswalkers can't be activated.

Trample Whenever Felothar enters or attacks, you may sacrifice a nonland permanent. When you do, put a +1/+1 counter on each creature you control.

Flying, vigilance When Shiko enters, exile target nonland card with mana value 3 or less from your graveyard. Copy it, then you may cast the copy without paying its mana cost. (A copy of a permanent spell becomes a token.)

Flying Other Dragons you control get +1/+1. Storm (When you cast this spell, copy it for each spell cast before it this turn. Copies become tokens.)

Flying Whenever Teval attacks, mill three cards. Then you may return a land card from your graveyard to the battlefield tapped. Whenever one or more cards leave your graveyard, create a 2/2 black Zombie Druid creature token.

Flying, trample Whenever Ureni enters or attacks, look at the top eight cards of your library. You may put a Dragon creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

Mobilize 2 (Whenever this creature attacks, create two tapped and attacking 1/1 red Warrior creature tokens. Sacrifice them at the beginning of the next end step.) Your opponents can't cast spells during your turn.

Menace (This creature can't be blocked except by two or more creatures.) Whenever a creature you control with a counter on it deals combat damage to a player, you draw a card and you lose 1 life.