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'This creature enters with X +1/+1 counters on it, where X is the total number of cards in all players' hands. {2}{G}, Remove a +1/+1 counter from this creature: Search...
'Equipped creature gets +2/+1 and has "{T}, Unattach Heartseeker: Destroy target creature."
Equip {5} ({5}: Attach to target creature you control. Equip only as a sorcery.)
'Backup 2 (When this creature enters, put two +1/+1 counters on target creature. If that's another creature, it gains the following ability until end of turn.) {1}, Sacrifice this creature:...
'[+1]: Untap up to two target artifacts. [−X]: Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle. [−5]: Artifacts...
'This creature can't be blocked except by artifact creatures and/or white creatures.
'Whenever a Vampire you control attacks, each opponent loses 1 life and you gain 1 life.
'Backup 2 (When this creature enters, put two +1/+1 counters on target creature. If that's another creature, it gains the following ability until end of turn.) {1}, Sacrifice this creature:...
'Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
{5}{U}: This creature can't be blocked this turn.
'{T}: Untap target creature.
'This creature enters with X +1/+1 counters on it, where X is the total number of cards in all players' hands. {2}{G}, Remove a +1/+1 counter from this creature: Search...
'This creature can't be blocked except by artifact creatures and/or white creatures.
'Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
{5}{U}: This creature can't be blocked this turn.