The Master, Mesmerist

When you cast this spell, gain control of target creature until end of turn. Untap it. It gains menace and haste until end of turn.

The Beast enters tapped with six stun counters on it. (If it would become untapped, remove a stun counter from it instead.)

Whenever a creature deals combat damage to its owner, untap The Beast and draw a card.

I. AM. TALKING! — Whenever The Eleventh Doctor deals combat damage to a player, you may exile a card from your hand with a number of time counters on it equal to its mana value. If it doesn't have suspend, it gains suspend.

: Target creature with power 3 or less can't be blocked this turn.

Flying, haste

Whenever one or more Dragons you control attack an opponent, goad target creature that player controls.

Whenever a creature deals combat damage to one of your opponents, if that creature had to attack this combat, you put a +1/+1 counter on Firkraag and you draw a card.

At the beginning of your end step, target opponent gains control of up to one target creature you control. Put two +1/+1 counters on it and tap it. It's goaded for the rest of the game and it gains "This creature can't be sacrificed." (It attacks each combat if able and attacks a player other than you if able.)

Whenever a creature you own but don't control attacks, you draw a card.

Toxic 2 (Players dealt combat damage by this creature also get two poison counters.)

Whenever a creature you control with toxic deals combat damage to a player, that player gets an additional poison counter.

: Target creature you control with toxic gains deathtouch until end of turn.

Whenever a creature deals combat damage to one of your opponents, its controller may draw a card.