Whenever a creature an opponent controls becomes tapped, if it isn't being declared as an attacker, you may draw a card.: Tap target creature without flying.
At the beginning of your end step, create X 1/1 white Spirit creature tokens with flying, where X is the number of opponents who control more lands than you.
Whenever you cast a nonlegendary creature spell with flying, you may copy it, except the copy is a 1/1 Spirit in addition to its other types. Do this only once each turn. (The copy becomes a token.)
Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)As long as Thundering Mightmare is paired with another creature, each of those creatures has "Whenever an opponent casts a spell, put a +1/+1 counter on this creature."
Ward—Discard a card.Whenever another nontoken Vampire you control dies, you may pay and exile it. If you do, create a 1/1 black Bat creature token with flying. It gains "When this creature deals combat damage to a player, sacrifice it and return the exiled card to the battlefield tapped."
Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)As long as Thundering Mightmare is paired with another creature, each of those creatures has "Whenever an opponent casts a spell, put a +1/+1 counter on this creature."